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Finding the Fourth Proportional to 331,151.84, 496,801.83 and 120,789.78

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Solution

The fourth proportional to 331,151.84, 496,801.83 and 120,789.78 is: 181,211.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,151.84 : 496,801.83 = 120,789.78 : x
  2. Step 2: Convert to fraction form
    331,151.84/496,801.83 = 120,789.78/x
  3. Step 3: Cross multiply
    331,151.84x = 496,801.83 × 120,789.78
  4. Step 4: Simplify right side
    331,151.84x = 60,008,584,794.04
  5. Step 5: Solve for x
    x = 60,008,584,794.04/331,151.84
  6. Step 6: Final answer
    x = 181,211.69

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