Finding the Fourth Proportional to 625,106.90, 862,650.17 and 338,626.99
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Solution
The fourth proportional to 625,106.90, 862,650.17 and 338,626.99 is: 467,306.68
Step by Step Solution
- Step 1: Write the proportion equation
625,106.90 : 862,650.17 = 338,626.99 : x - Step 2: Convert to fraction form
625,106.90/862,650.17 = 338,626.99/x - Step 3: Cross multiply
625,106.90x = 862,650.17 × 338,626.99 - Step 4: Simplify right side
625,106.90x = 292,116,631,145.12 - Step 5: Solve for x
x = 292,116,631,145.12/625,106.90 - Step 6: Final answer
x = 467,306.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.