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Finding the Fourth Proportional to 331,364.20, 497,046.30 and 82,046.20

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Solution

The fourth proportional to 331,364.20, 497,046.30 and 82,046.20 is: 123,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,364.20 : 497,046.30 = 82,046.20 : x
  2. Step 2: Convert to fraction form
    331,364.20/497,046.30 = 82,046.20/x
  3. Step 3: Cross multiply
    331,364.20x = 497,046.30 × 82,046.20
  4. Step 4: Simplify right side
    331,364.20x = 40,780,760,139.06
  5. Step 5: Solve for x
    x = 40,780,760,139.06/331,364.20
  6. Step 6: Final answer
    x = 123,069.30

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