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Finding the Fourth Proportional to 331,313.40, 496,970.10 and 109,697.40

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Solution

The fourth proportional to 331,313.40, 496,970.10 and 109,697.40 is: 164,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,313.40 : 496,970.10 = 109,697.40 : x
  2. Step 2: Convert to fraction form
    331,313.40/496,970.10 = 109,697.40/x
  3. Step 3: Cross multiply
    331,313.40x = 496,970.10 × 109,697.40
  4. Step 4: Simplify right side
    331,313.40x = 54,516,327,847.74
  5. Step 5: Solve for x
    x = 54,516,327,847.74/331,313.40
  6. Step 6: Final answer
    x = 164,546.10

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