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Finding the Fourth Proportional to 323,909.20, 485,863.80 and 182,191.60

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Solution

The fourth proportional to 323,909.20, 485,863.80 and 182,191.60 is: 273,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,909.20 : 485,863.80 = 182,191.60 : x
  2. Step 2: Convert to fraction form
    323,909.20/485,863.80 = 182,191.60/x
  3. Step 3: Cross multiply
    323,909.20x = 485,863.80 × 182,191.60
  4. Step 4: Simplify right side
    323,909.20x = 88,520,303,104.08
  5. Step 5: Solve for x
    x = 88,520,303,104.08/323,909.20
  6. Step 6: Final answer
    x = 273,287.40

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