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Finding the Fourth Proportional to 331,223.76, 496,511.64 and 131,477.76

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Solution

The fourth proportional to 331,223.76, 496,511.64 and 131,477.76 is: 197,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,223.76 : 496,511.64 = 131,477.76 : x
  2. Step 2: Convert to fraction form
    331,223.76/496,511.64 = 131,477.76/x
  3. Step 3: Cross multiply
    331,223.76x = 496,511.64 × 131,477.76
  4. Step 4: Simplify right side
    331,223.76x = 65,280,238,241.13
  5. Step 5: Solve for x
    x = 65,280,238,241.13/331,223.76
  6. Step 6: Final answer
    x = 197,088.03

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