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Finding the Fourth Proportional to 269,454.78, 404,247.10 and 100,976.57

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Solution

The fourth proportional to 269,454.78, 404,247.10 and 100,976.57 is: 151,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,454.78 : 404,247.10 = 100,976.57 : x
  2. Step 2: Convert to fraction form
    269,454.78/404,247.10 = 100,976.57/x
  3. Step 3: Cross multiply
    269,454.78x = 404,247.10 × 100,976.57
  4. Step 4: Simplify right side
    269,454.78x = 40,819,486,348.62
  5. Step 5: Solve for x
    x = 40,819,486,348.62/269,454.78
  6. Step 6: Final answer
    x = 151,489.19

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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.