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Finding the Fourth Proportional to 244,635.68, 366,987.52 and 86,826.60

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Solution

The fourth proportional to 244,635.68, 366,987.52 and 86,826.60 is: 130,251.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,635.68 : 366,987.52 = 86,826.60 : x
  2. Step 2: Convert to fraction form
    244,635.68/366,987.52 = 86,826.60/x
  3. Step 3: Cross multiply
    244,635.68x = 366,987.52 × 86,826.60
  4. Step 4: Simplify right side
    244,635.68x = 31,864,278,604.03
  5. Step 5: Solve for x
    x = 31,864,278,604.03/244,635.68
  6. Step 6: Final answer
    x = 130,251.97

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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.