Question

determine if the following are in proportion. A) 15, 45,40, 120
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Answer 1

Answer:

Take 15:45::40:120

products of means=product of extremes

15*120=45*40

1800=1800

so, they are in proportion

Answer 2

Answer:

yes this is in proportion

Step-by-step explanation:

15, 45, 40, 120

15/45 = 1/3

40/120 = 1/3

Therefore, 15 : 45 = 40 : 120 Hence, these are in proportion.