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Finding the Fourth Proportional to 331,846.20, 497,963.70 and 121,505.40

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Solution

The fourth proportional to 331,846.20, 497,963.70 and 121,505.40 is: 182,329.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,846.20 : 497,963.70 = 121,505.40 : x
  2. Step 2: Convert to fraction form
    331,846.20/497,963.70 = 121,505.40/x
  3. Step 3: Cross multiply
    331,846.20x = 497,963.70 × 121,505.40
  4. Step 4: Simplify right side
    331,846.20x = 60,505,278,553.98
  5. Step 5: Solve for x
    x = 60,505,278,553.98/331,846.20
  6. Step 6: Final answer
    x = 182,329.28

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