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Finding the Fourth Proportional to 331,817.10, 497,725.65 and 82,499.10

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Solution

The fourth proportional to 331,817.10, 497,725.65 and 82,499.10 is: 123,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,817.10 : 497,725.65 = 82,499.10 : x
  2. Step 2: Convert to fraction form
    331,817.10/497,725.65 = 82,499.10/x
  3. Step 3: Cross multiply
    331,817.10x = 497,725.65 × 82,499.10
  4. Step 4: Simplify right side
    331,817.10x = 41,061,918,171.92
  5. Step 5: Solve for x
    x = 41,061,918,171.92/331,817.10
  6. Step 6: Final answer
    x = 123,748.65

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