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Finding the Fourth Proportional to 227,079.28, 340,659.02 and 93,884.90

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Solution

The fourth proportional to 227,079.28, 340,659.02 and 93,884.90 is: 140,843.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,079.28 : 340,659.02 = 93,884.90 : x
  2. Step 2: Convert to fraction form
    227,079.28/340,659.02 = 93,884.90/x
  3. Step 3: Cross multiply
    227,079.28x = 340,659.02 × 93,884.90
  4. Step 4: Simplify right side
    227,079.28x = 31,982,739,113.16
  5. Step 5: Solve for x
    x = 31,982,739,113.16/227,079.28
  6. Step 6: Final answer
    x = 140,843.94

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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.