Finding the Fourth Proportional to 397,780.97, 596,612.19 and 131,542.88
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Solution
The fourth proportional to 397,780.97, 596,612.19 and 131,542.88 is: 197,294.72
Step by Step Solution
- Step 1: Write the proportion equation
397,780.97 : 596,612.19 = 131,542.88 : x - Step 2: Convert to fraction form
397,780.97/596,612.19 = 131,542.88/x - Step 3: Cross multiply
397,780.97x = 596,612.19 × 131,542.88 - Step 4: Simplify right side
397,780.97x = 78,480,085,715.71 - Step 5: Solve for x
x = 78,480,085,715.71/397,780.97 - Step 6: Final answer
x = 197,294.72
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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.