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Finding the Fourth Proportional to 269,439.90, 404,159.85 and 169,712.70

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Solution

The fourth proportional to 269,439.90, 404,159.85 and 169,712.70 is: 254,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,439.90 : 404,159.85 = 169,712.70 : x
  2. Step 2: Convert to fraction form
    269,439.90/404,159.85 = 169,712.70/x
  3. Step 3: Cross multiply
    269,439.90x = 404,159.85 × 169,712.70
  4. Step 4: Simplify right side
    269,439.90x = 68,591,059,375.10
  5. Step 5: Solve for x
    x = 68,591,059,375.10/269,439.90
  6. Step 6: Final answer
    x = 254,569.05

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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.