Home / 252,439.34-378,679.85-181,691.25

Finding the Fourth Proportional to 252,439.34, 378,679.85 and 181,691.25

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Solution

The fourth proportional to 252,439.34, 378,679.85 and 181,691.25 is: 272,551.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,439.34 : 378,679.85 = 181,691.25 : x
  2. Step 2: Convert to fraction form
    252,439.34/378,679.85 = 181,691.25/x
  3. Step 3: Cross multiply
    252,439.34x = 378,679.85 × 181,691.25
  4. Step 4: Simplify right side
    252,439.34x = 68,802,814,387.86
  5. Step 5: Solve for x
    x = 68,802,814,387.86/252,439.34
  6. Step 6: Final answer
    x = 272,551.88

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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.