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Finding the Fourth Proportional to 269,519.60, 404,279.40 and 239,452.40

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Solution

The fourth proportional to 269,519.60, 404,279.40 and 239,452.40 is: 359,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,519.60 : 404,279.40 = 239,452.40 : x
  2. Step 2: Convert to fraction form
    269,519.60/404,279.40 = 239,452.40/x
  3. Step 3: Cross multiply
    269,519.60x = 404,279.40 × 239,452.40
  4. Step 4: Simplify right side
    269,519.60x = 96,805,672,600.56
  5. Step 5: Solve for x
    x = 96,805,672,600.56/269,519.60
  6. Step 6: Final answer
    x = 359,178.60

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1.5x scale

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.