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Finding the Fourth Proportional to 449,028.60, 673,640.10 and 133,517.40

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Solution

The fourth proportional to 449,028.60, 673,640.10 and 133,517.40 is: 200,305.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,028.60 : 673,640.10 = 133,517.40 : x
  2. Step 2: Convert to fraction form
    449,028.60/673,640.10 = 133,517.40/x
  3. Step 3: Cross multiply
    449,028.60x = 673,640.10 × 133,517.40
  4. Step 4: Simplify right side
    449,028.60x = 89,942,674,687.74
  5. Step 5: Solve for x
    x = 89,942,674,687.74/449,028.60
  6. Step 6: Final answer
    x = 200,305.00

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