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Finding the Fourth Proportional to 231,418.80, 347,178.96 and 98,412.84

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Solution

The fourth proportional to 231,418.80, 347,178.96 and 98,412.84 is: 147,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,418.80 : 347,178.96 = 98,412.84 : x
  2. Step 2: Convert to fraction form
    231,418.80/347,178.96 = 98,412.84/x
  3. Step 3: Cross multiply
    231,418.80x = 347,178.96 × 98,412.84
  4. Step 4: Simplify right side
    231,418.80x = 34,166,867,441.85
  5. Step 5: Solve for x
    x = 34,166,867,441.85/231,418.80
  6. Step 6: Final answer
    x = 147,640.85

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