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Finding the Fourth Proportional to 227,442.74, 341,229.69 and 69,694.43

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Solution

The fourth proportional to 227,442.74, 341,229.69 and 69,694.43 is: 104,561.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,442.74 : 341,229.69 = 69,694.43 : x
  2. Step 2: Convert to fraction form
    227,442.74/341,229.69 = 69,694.43/x
  3. Step 3: Cross multiply
    227,442.74x = 341,229.69 × 69,694.43
  4. Step 4: Simplify right side
    227,442.74x = 23,781,807,037.48
  5. Step 5: Solve for x
    x = 23,781,807,037.48/227,442.74
  6. Step 6: Final answer
    x = 104,561.74

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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.