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Finding the Fourth Proportional to 299,697.20, 449,315.40 and 168,369.20

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Solution

The fourth proportional to 299,697.20, 449,315.40 and 168,369.20 is: 252,424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,697.20 : 449,315.40 = 168,369.20 : x
  2. Step 2: Convert to fraction form
    299,697.20/449,315.40 = 168,369.20/x
  3. Step 3: Cross multiply
    299,697.20x = 449,315.40 × 168,369.20
  4. Step 4: Simplify right side
    299,697.20x = 75,650,874,445.68
  5. Step 5: Solve for x
    x = 75,650,874,445.68/299,697.20
  6. Step 6: Final answer
    x = 252,424.36

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