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Finding the Fourth Proportional to 227,282.64, 340,869.29 and 69,512.46

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Solution

The fourth proportional to 227,282.64, 340,869.29 and 69,512.46 is: 104,251.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,282.64 : 340,869.29 = 69,512.46 : x
  2. Step 2: Convert to fraction form
    227,282.64/340,869.29 = 69,512.46/x
  3. Step 3: Cross multiply
    227,282.64x = 340,869.29 × 69,512.46
  4. Step 4: Simplify right side
    227,282.64x = 23,694,662,886.35
  5. Step 5: Solve for x
    x = 23,694,662,886.35/227,282.64
  6. Step 6: Final answer
    x = 104,251.97

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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.