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Finding the Fourth Proportional to 449,757.72, 674,639.48 and 179,908.40

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Solution

The fourth proportional to 449,757.72, 674,639.48 and 179,908.40 is: 269,863.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,757.72 : 674,639.48 = 179,908.40 : x
  2. Step 2: Convert to fraction form
    449,757.72/674,639.48 = 179,908.40/x
  3. Step 3: Cross multiply
    449,757.72x = 674,639.48 × 179,908.40
  4. Step 4: Simplify right side
    449,757.72x = 121,373,311,560.00
  5. Step 5: Solve for x
    x = 121,373,311,560.00/449,757.72
  6. Step 6: Final answer
    x = 269,863.76

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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.