Finding the Fourth Proportional to 389,552.88, 584,660.88 and 153,060.96
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Solution
The fourth proportional to 389,552.88, 584,660.88 and 153,060.96 is: 229,721.71
Step by Step Solution
- Step 1: Write the proportion equation
389,552.88 : 584,660.88 = 153,060.96 : x - Step 2: Convert to fraction form
389,552.88/584,660.88 = 153,060.96/x - Step 3: Cross multiply
389,552.88x = 584,660.88 × 153,060.96 - Step 4: Simplify right side
389,552.88x = 89,488,755,567.24 - Step 5: Solve for x
x = 89,488,755,567.24/389,552.88 - Step 6: Final answer
x = 229,721.71
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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.