Finding the Fourth Proportional to 472,542.71, 708,717.41 and 135,493.07
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Solution
The fourth proportional to 472,542.71, 708,717.41 and 135,493.07 is: 203,211.89
Step by Step Solution
- Step 1: Write the proportion equation
472,542.71 : 708,717.41 = 135,493.07 : x - Step 2: Convert to fraction form
472,542.71/708,717.41 = 135,493.07/x - Step 3: Cross multiply
472,542.71x = 708,717.41 × 135,493.07 - Step 4: Simplify right side
472,542.71x = 96,026,296,965.88 - Step 5: Solve for x
x = 96,026,296,965.88/472,542.71 - Step 6: Final answer
x = 203,211.89
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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.