Finding the Fourth Proportional to 508,657.62, 763,201.95 and 255,805.14
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Solution
The fourth proportional to 508,657.62, 763,201.95 and 255,805.14 is: 383,816.10
Step by Step Solution
- Step 1: Write the proportion equation
508,657.62 : 763,201.95 = 255,805.14 : x - Step 2: Convert to fraction form
508,657.62/763,201.95 = 255,805.14/x - Step 3: Cross multiply
508,657.62x = 763,201.95 × 255,805.14 - Step 4: Simplify right side
508,657.62x = 195,230,981,668.02 - Step 5: Solve for x
x = 195,230,981,668.02/508,657.62 - Step 6: Final answer
x = 383,816.10
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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.