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Finding the Fourth Proportional to 270,053.08, 404,829.20 and 92,517.90

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Solution

The fourth proportional to 270,053.08, 404,829.20 and 92,517.90 is: 138,691.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,053.08 : 404,829.20 = 92,517.90 : x
  2. Step 2: Convert to fraction form
    270,053.08/404,829.20 = 92,517.90/x
  3. Step 3: Cross multiply
    270,053.08x = 404,829.20 × 92,517.90
  4. Step 4: Simplify right side
    270,053.08x = 37,453,947,442.68
  5. Step 5: Solve for x
    x = 37,453,947,442.68/270,053.08
  6. Step 6: Final answer
    x = 138,691.06

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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.