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Finding the Fourth Proportional to 275,380.40, 413,070.60 and 88,410.80

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Solution

The fourth proportional to 275,380.40, 413,070.60 and 88,410.80 is: 132,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,380.40 : 413,070.60 = 88,410.80 : x
  2. Step 2: Convert to fraction form
    275,380.40/413,070.60 = 88,410.80/x
  3. Step 3: Cross multiply
    275,380.40x = 413,070.60 × 88,410.80
  4. Step 4: Simplify right side
    275,380.40x = 36,519,902,202.48
  5. Step 5: Solve for x
    x = 36,519,902,202.48/275,380.40
  6. Step 6: Final answer
    x = 132,616.20

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