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Finding the Fourth Proportional to 299,655.20, 449,252.40 and 168,327.20

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Solution

The fourth proportional to 299,655.20, 449,252.40 and 168,327.20 is: 252,361.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,655.20 : 449,252.40 = 168,327.20 : x
  2. Step 2: Convert to fraction form
    299,655.20/449,252.40 = 168,327.20/x
  3. Step 3: Cross multiply
    299,655.20x = 449,252.40 × 168,327.20
  4. Step 4: Simplify right side
    299,655.20x = 75,621,398,585.28
  5. Step 5: Solve for x
    x = 75,621,398,585.28/299,655.20
  6. Step 6: Final answer
    x = 252,361.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.