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Finding the Fourth Proportional to 227,027.68, 340,540.57 and 69,255.61

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Solution

The fourth proportional to 227,027.68, 340,540.57 and 69,255.61 is: 103,883.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,027.68 : 340,540.57 = 69,255.61 : x
  2. Step 2: Convert to fraction form
    227,027.68/340,540.57 = 69,255.61/x
  3. Step 3: Cross multiply
    227,027.68x = 340,540.57 × 69,255.61
  4. Step 4: Simplify right side
    227,027.68x = 23,584,344,905.10
  5. Step 5: Solve for x
    x = 23,584,344,905.10/227,027.68
  6. Step 6: Final answer
    x = 103,883.13

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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.