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Finding the Fourth Proportional to 449,667.64, 674,771.46 and 179,747.56

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Solution

The fourth proportional to 449,667.64, 674,771.46 and 179,747.56 is: 269,729.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,667.64 : 674,771.46 = 179,747.56 : x
  2. Step 2: Convert to fraction form
    449,667.64/674,771.46 = 179,747.56/x
  3. Step 3: Cross multiply
    449,667.64x = 674,771.46 × 179,747.56
  4. Step 4: Simplify right side
    449,667.64x = 121,288,523,492.64
  5. Step 5: Solve for x
    x = 121,288,523,492.64/449,667.64
  6. Step 6: Final answer
    x = 269,729.27

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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.