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Finding the Fourth Proportional to 299,604.48, 449,382.16 and 89,242.48

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Solution

The fourth proportional to 299,604.48, 449,382.16 and 89,242.48 is: 133,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,604.48 : 449,382.16 = 89,242.48 : x
  2. Step 2: Convert to fraction form
    299,604.48/449,382.16 = 89,242.48/x
  3. Step 3: Cross multiply
    299,604.48x = 449,382.16 × 89,242.48
  4. Step 4: Simplify right side
    299,604.48x = 40,103,978,426.16
  5. Step 5: Solve for x
    x = 40,103,978,426.16/299,604.48
  6. Step 6: Final answer
    x = 133,856.40

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