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Finding the Fourth Proportional to 252,459.18, 378,691.20 and 65,470.68

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Solution

The fourth proportional to 252,459.18, 378,691.20 and 65,470.68 is: 98,206.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,459.18 : 378,691.20 = 65,470.68 : x
  2. Step 2: Convert to fraction form
    252,459.18/378,691.20 = 65,470.68/x
  3. Step 3: Cross multiply
    252,459.18x = 378,691.20 × 65,470.68
  4. Step 4: Simplify right side
    252,459.18x = 24,793,170,374.02
  5. Step 5: Solve for x
    x = 24,793,170,374.02/252,459.18
  6. Step 6: Final answer
    x = 98,206.65

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