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Finding the Fourth Proportional to 227,631.20, 341,446.80 and 87,393.20

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Solution

The fourth proportional to 227,631.20, 341,446.80 and 87,393.20 is: 131,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,631.20 : 341,446.80 = 87,393.20 : x
  2. Step 2: Convert to fraction form
    227,631.20/341,446.80 = 87,393.20/x
  3. Step 3: Cross multiply
    227,631.20x = 341,446.80 × 87,393.20
  4. Step 4: Simplify right side
    227,631.20x = 29,840,128,481.76
  5. Step 5: Solve for x
    x = 29,840,128,481.76/227,631.20
  6. Step 6: Final answer
    x = 131,089.80

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