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Finding the Fourth Proportional to 331,013.80, 496,277.70 and 131,235.40

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Solution

The fourth proportional to 331,013.80, 496,277.70 and 131,235.40 is: 196,756.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,013.80 : 496,277.70 = 131,235.40 : x
  2. Step 2: Convert to fraction form
    331,013.80/496,277.70 = 131,235.40/x
  3. Step 3: Cross multiply
    331,013.80x = 496,277.70 × 131,235.40
  4. Step 4: Simplify right side
    331,013.80x = 65,129,202,470.58
  5. Step 5: Solve for x
    x = 65,129,202,470.58/331,013.80
  6. Step 6: Final answer
    x = 196,756.76

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