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Finding the Fourth Proportional to 331,515.60, 497,273.40 and 82,197.60

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Solution

The fourth proportional to 331,515.60, 497,273.40 and 82,197.60 is: 123,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,515.60 : 497,273.40 = 82,197.60 : x
  2. Step 2: Convert to fraction form
    331,515.60/497,273.40 = 82,197.60/x
  3. Step 3: Cross multiply
    331,515.60x = 497,273.40 × 82,197.60
  4. Step 4: Simplify right side
    331,515.60x = 40,874,680,023.84
  5. Step 5: Solve for x
    x = 40,874,680,023.84/331,515.60
  6. Step 6: Final answer
    x = 123,296.40

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