Finding the Fourth Proportional to 625,197.20, 862,772.99 and 338,717.29
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Solution
The fourth proportional to 625,197.20, 862,772.99 and 338,717.29 is: 467,430.32
Step by Step Solution
- Step 1: Write the proportion equation
625,197.20 : 862,772.99 = 338,717.29 : x - Step 2: Convert to fraction form
625,197.20/862,772.99 = 338,717.29/x - Step 3: Cross multiply
625,197.20x = 862,772.99 × 338,717.29 - Step 4: Simplify right side
625,197.20x = 292,236,125,207.48 - Step 5: Solve for x
x = 292,236,125,207.48/625,197.20 - Step 6: Final answer
x = 467,430.32
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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.