Finding the Fourth Proportional to 207,074.40, 310,611.60 and 88,757.70
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Solution
The fourth proportional to 207,074.40, 310,611.60 and 88,757.70 is: 133,136.55
Step by Step Solution
- Step 1: Write the proportion equation
207,074.40 : 310,611.60 = 88,757.70 : x - Step 2: Convert to fraction form
207,074.40/310,611.60 = 88,757.70/x - Step 3: Cross multiply
207,074.40x = 310,611.60 × 88,757.70 - Step 4: Simplify right side
207,074.40x = 27,569,171,209.32 - Step 5: Solve for x
x = 27,569,171,209.32/207,074.40 - Step 6: Final answer
x = 133,136.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.