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Finding the Fourth Proportional to 331,340.40, 497,010.60 and 109,724.40

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Solution

The fourth proportional to 331,340.40, 497,010.60 and 109,724.40 is: 164,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,340.40 : 497,010.60 = 109,724.40 : x
  2. Step 2: Convert to fraction form
    331,340.40/497,010.60 = 109,724.40/x
  3. Step 3: Cross multiply
    331,340.40x = 497,010.60 × 109,724.40
  4. Step 4: Simplify right side
    331,340.40x = 54,534,189,878.64
  5. Step 5: Solve for x
    x = 54,534,189,878.64/331,340.40
  6. Step 6: Final answer
    x = 164,586.60

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