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Finding the Fourth Proportional to 299,450.80, 449,183.40 and 89,095.60

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Solution

The fourth proportional to 299,450.80, 449,183.40 and 89,095.60 is: 133,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,450.80 : 449,183.40 = 89,095.60 : x
  2. Step 2: Convert to fraction form
    299,450.80/449,183.40 = 89,095.60/x
  3. Step 3: Cross multiply
    299,450.80x = 449,183.40 × 89,095.60
  4. Step 4: Simplify right side
    299,450.80x = 40,020,264,533.04
  5. Step 5: Solve for x
    x = 40,020,264,533.04/299,450.80
  6. Step 6: Final answer
    x = 133,645.54

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