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Finding the Fourth Proportional to 227,081.28, 340,662 and 93,886.92

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Solution

The fourth proportional to 227,081.28, 340,662 and 93,886.92 is: 140,846.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,081.28 : 340,662 = 93,886.92 : x
  2. Step 2: Convert to fraction form
    227,081.28/340,662 = 93,886.92/x
  3. Step 3: Cross multiply
    227,081.28x = 340,662 × 93,886.92
  4. Step 4: Simplify right side
    227,081.28x = 31,983,705,941.04
  5. Step 5: Solve for x
    x = 31,983,705,941.04/227,081.28
  6. Step 6: Final answer
    x = 140,846.95

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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.