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Finding the Fourth Proportional to 239,592.68, 359,432.05 and 81,784.22

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Solution

The fourth proportional to 239,592.68, 359,432.05 and 81,784.22 is: 122,691.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,592.68 : 359,432.05 = 81,784.22 : x
  2. Step 2: Convert to fraction form
    239,592.68/359,432.05 = 81,784.22/x
  3. Step 3: Cross multiply
    239,592.68x = 359,432.05 × 81,784.22
  4. Step 4: Simplify right side
    239,592.68x = 29,395,870,546.37
  5. Step 5: Solve for x
    x = 29,395,870,546.37/239,592.68
  6. Step 6: Final answer
    x = 122,691.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.