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Finding the Fourth Proportional to 354,151.20, 531,178.20 and 117,469.20

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Solution

The fourth proportional to 354,151.20, 531,178.20 and 117,469.20 is: 176,187.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,151.20 : 531,178.20 = 117,469.20 : x
  2. Step 2: Convert to fraction form
    354,151.20/531,178.20 = 117,469.20/x
  3. Step 3: Cross multiply
    354,151.20x = 531,178.20 × 117,469.20
  4. Step 4: Simplify right side
    354,151.20x = 62,397,078,211.44
  5. Step 5: Solve for x
    x = 62,397,078,211.44/354,151.20
  6. Step 6: Final answer
    x = 176,187.68

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