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Finding the Fourth Proportional to 231,454.40, 347,116.80 and 73,731.20

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Solution

The fourth proportional to 231,454.40, 347,116.80 and 73,731.20 is: 110,576.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,454.40 : 347,116.80 = 73,731.20 : x
  2. Step 2: Convert to fraction form
    231,454.40/347,116.80 = 73,731.20/x
  3. Step 3: Cross multiply
    231,454.40x = 347,116.80 × 73,731.20
  4. Step 4: Simplify right side
    231,454.40x = 25,593,338,204.16
  5. Step 5: Solve for x
    x = 25,593,338,204.16/231,454.40
  6. Step 6: Final answer
    x = 110,576.16

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