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Finding the Fourth Proportional to 220,906.80, 331,360.20 and 54,694.80

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Solution

The fourth proportional to 220,906.80, 331,360.20 and 54,694.80 is: 82,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,906.80 : 331,360.20 = 54,694.80 : x
  2. Step 2: Convert to fraction form
    220,906.80/331,360.20 = 54,694.80/x
  3. Step 3: Cross multiply
    220,906.80x = 331,360.20 × 54,694.80
  4. Step 4: Simplify right side
    220,906.80x = 18,123,679,866.96
  5. Step 5: Solve for x
    x = 18,123,679,866.96/220,906.80
  6. Step 6: Final answer
    x = 82,042.20

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