Home / 392,531.32-541,691.66-220,425.34

Finding the Fourth Proportional to 392,531.32, 541,691.66 and 220,425.34

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Solution

The fourth proportional to 392,531.32, 541,691.66 and 220,425.34 is: 304,186.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,531.32 : 541,691.66 = 220,425.34 : x
  2. Step 2: Convert to fraction form
    392,531.32/541,691.66 = 220,425.34/x
  3. Step 3: Cross multiply
    392,531.32x = 541,691.66 × 220,425.34
  4. Step 4: Simplify right side
    392,531.32x = 119,402,568,330.66
  5. Step 5: Solve for x
    x = 119,402,568,330.66/392,531.32
  6. Step 6: Final answer
    x = 304,186.09

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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.