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Finding the Fourth Proportional to 331,152.20, 496,728.30 and 296,937.80

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Solution

The fourth proportional to 331,152.20, 496,728.30 and 296,937.80 is: 445,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,152.20 : 496,728.30 = 296,937.80 : x
  2. Step 2: Convert to fraction form
    331,152.20/496,728.30 = 296,937.80/x
  3. Step 3: Cross multiply
    331,152.20x = 496,728.30 × 296,937.80
  4. Step 4: Simplify right side
    331,152.20x = 147,497,408,599.74
  5. Step 5: Solve for x
    x = 147,497,408,599.74/331,152.20
  6. Step 6: Final answer
    x = 445,406.70

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