Finding the Fourth Proportional to 207,929.62, 311,839.08 and 58,160.62
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Solution
The fourth proportional to 207,929.62, 311,839.08 and 58,160.62 is: 87,225.45
Step by Step Solution
- Step 1: Write the proportion equation
207,929.62 : 311,839.08 = 58,160.62 : x - Step 2: Convert to fraction form
207,929.62/311,839.08 = 58,160.62/x - Step 3: Cross multiply
207,929.62x = 311,839.08 × 58,160.62 - Step 4: Simplify right side
207,929.62x = 18,136,754,233.03 - Step 5: Solve for x
x = 18,136,754,233.03/207,929.62 - Step 6: Final answer
x = 87,225.45
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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.