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Finding the Fourth Proportional to 331,648.11, 497,472.17 and 82,330.11

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Solution

The fourth proportional to 331,648.11, 497,472.17 and 82,330.11 is: 123,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,648.11 : 497,472.17 = 82,330.11 : x
  2. Step 2: Convert to fraction form
    331,648.11/497,472.17 = 82,330.11/x
  3. Step 3: Cross multiply
    331,648.11x = 497,472.17 × 82,330.11
  4. Step 4: Simplify right side
    331,648.11x = 40,956,938,066.39
  5. Step 5: Solve for x
    x = 40,956,938,066.39/331,648.11
  6. Step 6: Final answer
    x = 123,495.17

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