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Finding the Fourth Proportional to 267,508.78, 401,146.52 and 101,180.14

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Solution

The fourth proportional to 267,508.78, 401,146.52 and 101,180.14 is: 151,726.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,508.78 : 401,146.52 = 101,180.14 : x
  2. Step 2: Convert to fraction form
    267,508.78/401,146.52 = 101,180.14/x
  3. Step 3: Cross multiply
    267,508.78x = 401,146.52 × 101,180.14
  4. Step 4: Simplify right side
    267,508.78x = 40,588,059,545.35
  5. Step 5: Solve for x
    x = 40,588,059,545.35/267,508.78
  6. Step 6: Final answer
    x = 151,726.09

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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.