Finding the Fourth Proportional to 353,269.97, 487,507.84 and 192,121.55
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Solution
The fourth proportional to 353,269.97, 487,507.84 and 192,121.55 is: 265,125.17
Step by Step Solution
- Step 1: Write the proportion equation
353,269.97 : 487,507.84 = 192,121.55 : x - Step 2: Convert to fraction form
353,269.97/487,507.84 = 192,121.55/x - Step 3: Cross multiply
353,269.97x = 487,507.84 × 192,121.55 - Step 4: Simplify right side
353,269.97x = 93,660,761,857.95 - Step 5: Solve for x
x = 93,660,761,857.95/353,269.97 - Step 6: Final answer
x = 265,125.17
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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.