Finding the Fourth Proportional to 417,278.31, 625,760.33 and 150,972.99
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Solution
The fourth proportional to 417,278.31, 625,760.33 and 150,972.99 is: 226,402.63
Step by Step Solution
- Step 1: Write the proportion equation
417,278.31 : 625,760.33 = 150,972.99 : x - Step 2: Convert to fraction form
417,278.31/625,760.33 = 150,972.99/x - Step 3: Cross multiply
417,278.31x = 625,760.33 × 150,972.99 - Step 4: Simplify right side
417,278.31x = 94,472,907,288.62 - Step 5: Solve for x
x = 94,472,907,288.62/417,278.31 - Step 6: Final answer
x = 226,402.63
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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.