Finding the Fourth Proportional to 417,704.45, 576,432.80 and 226,717.92
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Solution
The fourth proportional to 417,704.45, 576,432.80 and 226,717.92 is: 312,871.09
Step by Step Solution
- Step 1: Write the proportion equation
417,704.45 : 576,432.80 = 226,717.92 : x - Step 2: Convert to fraction form
417,704.45/576,432.80 = 226,717.92/x - Step 3: Cross multiply
417,704.45x = 576,432.80 × 226,717.92 - Step 4: Simplify right side
417,704.45x = 130,687,645,435.78 - Step 5: Solve for x
x = 130,687,645,435.78/417,704.45 - Step 6: Final answer
x = 312,871.09
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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.