Finding the Fourth Proportional to 464,572.68, 641,385.12 and 292,638.03
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Solution
The fourth proportional to 464,572.68, 641,385.12 and 292,638.03 is: 404,013.59
Step by Step Solution
- Step 1: Write the proportion equation
464,572.68 : 641,385.12 = 292,638.03 : x - Step 2: Convert to fraction form
464,572.68/641,385.12 = 292,638.03/x - Step 3: Cross multiply
464,572.68x = 641,385.12 × 292,638.03 - Step 4: Simplify right side
464,572.68x = 187,693,677,988.11 - Step 5: Solve for x
x = 187,693,677,988.11/464,572.68 - Step 6: Final answer
x = 404,013.59
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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.