Finding the Fourth Proportional to 359,691.80, 539,537.54 and 106,971.26
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Solution
The fourth proportional to 359,691.80, 539,537.54 and 106,971.26 is: 160,456.84
Step by Step Solution
- Step 1: Write the proportion equation
359,691.80 : 539,537.54 = 106,971.26 : x - Step 2: Convert to fraction form
359,691.80/539,537.54 = 106,971.26/x - Step 3: Cross multiply
359,691.80x = 539,537.54 × 106,971.26 - Step 4: Simplify right side
359,691.80x = 57,715,010,471.10 - Step 5: Solve for x
x = 57,715,010,471.10/359,691.80 - Step 6: Final answer
x = 160,456.84
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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.