Finding the Fourth Proportional to 417,691.40, 576,414.64 and 226,704.84
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Solution
The fourth proportional to 417,691.40, 576,414.64 and 226,704.84 is: 312,852.95
Step by Step Solution
- Step 1: Write the proportion equation
417,691.40 : 576,414.64 = 226,704.84 : x - Step 2: Convert to fraction form
417,691.40/576,414.64 = 226,704.84/x - Step 3: Cross multiply
417,691.40x = 576,414.64 × 226,704.84 - Step 4: Simplify right side
417,691.40x = 130,675,988,734.86 - Step 5: Solve for x
x = 130,675,988,734.86/417,691.40 - Step 6: Final answer
x = 312,852.95
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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.