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Finding the Fourth Proportional to 327,092.20, 490,828.68 and 137,538.84

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Solution

The fourth proportional to 327,092.20, 490,828.68 and 137,538.84 is: 206,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,092.20 : 490,828.68 = 137,538.84 : x
  2. Step 2: Convert to fraction form
    327,092.20/490,828.68 = 137,538.84/x
  3. Step 3: Cross multiply
    327,092.20x = 490,828.68 × 137,538.84
  4. Step 4: Simplify right side
    327,092.20x = 67,508,007,285.93
  5. Step 5: Solve for x
    x = 67,508,007,285.93/327,092.20
  6. Step 6: Final answer
    x = 206,388.31

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