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Finding the Fourth Proportional to 269,721.60, 404,047.80 and 236,479.20

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Solution

The fourth proportional to 269,721.60, 404,047.80 and 236,479.20 is: 354,250.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,721.60 : 404,047.80 = 236,479.20 : x
  2. Step 2: Convert to fraction form
    269,721.60/404,047.80 = 236,479.20/x
  3. Step 3: Cross multiply
    269,721.60x = 404,047.80 × 236,479.20
  4. Step 4: Simplify right side
    269,721.60x = 95,548,900,505.76
  5. Step 5: Solve for x
    x = 95,548,900,505.76/269,721.60
  6. Step 6: Final answer
    x = 354,250.09

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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.