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Finding the Fourth Proportional to 218,441.28, 327,705.66 and 68,719.26

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Solution

The fourth proportional to 218,441.28, 327,705.66 and 68,719.26 is: 103,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,441.28 : 327,705.66 = 68,719.26 : x
  2. Step 2: Convert to fraction form
    218,441.28/327,705.66 = 68,719.26/x
  3. Step 3: Cross multiply
    218,441.28x = 327,705.66 × 68,719.26
  4. Step 4: Simplify right side
    218,441.28x = 22,519,690,453.01
  5. Step 5: Solve for x
    x = 22,519,690,453.01/218,441.28
  6. Step 6: Final answer
    x = 103,092.65

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