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Finding the Fourth Proportional to 227,620.43, 341,164.80 and 171,279.44

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Solution

The fourth proportional to 227,620.43, 341,164.80 and 171,279.44 is: 256,719.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,620.43 : 341,164.80 = 171,279.44 : x
  2. Step 2: Convert to fraction form
    227,620.43/341,164.80 = 171,279.44/x
  3. Step 3: Cross multiply
    227,620.43x = 341,164.80 × 171,279.44
  4. Step 4: Simplify right side
    227,620.43x = 58,434,515,891.71
  5. Step 5: Solve for x
    x = 58,434,515,891.71/227,620.43
  6. Step 6: Final answer
    x = 256,719.12

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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.