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Finding the Fourth Proportional to 227,193.92, 340,942.56 and 79,449.92

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Solution

The fourth proportional to 227,193.92, 340,942.56 and 79,449.92 is: 119,227.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,193.92 : 340,942.56 = 79,449.92 : x
  2. Step 2: Convert to fraction form
    227,193.92/340,942.56 = 79,449.92/x
  3. Step 3: Cross multiply
    227,193.92x = 340,942.56 × 79,449.92
  4. Step 4: Simplify right side
    227,193.92x = 27,087,859,116.60
  5. Step 5: Solve for x
    x = 27,087,859,116.60/227,193.92
  6. Step 6: Final answer
    x = 119,227.92

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1.5x scale

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.