Proportion questions also deal with ratios, but instead of telling us the total quantity, questions tell us what one part of the ratio represents and we have to work out what the other part or parts represent.

The method for solving these problems is fairly similar; we first work out one unit represents and then multiply this up to find what each of the parts represent.

Examples

Exercise

Let’s complete exercise 16E from page 257 of the textbook:

The answers are below: