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Finding the Fourth Proportional to 327,683.31, 491,716.02 and 138,132.08

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Solution

The fourth proportional to 327,683.31, 491,716.02 and 138,132.08 is: 207,278.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,683.31 : 491,716.02 = 138,132.08 : x
  2. Step 2: Convert to fraction form
    327,683.31/491,716.02 = 138,132.08/x
  3. Step 3: Cross multiply
    327,683.31x = 491,716.02 × 138,132.08
  4. Step 4: Simplify right side
    327,683.31x = 67,921,754,153.34
  5. Step 5: Solve for x
    x = 67,921,754,153.34/327,683.31
  6. Step 6: Final answer
    x = 207,278.65

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