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Finding the Fourth Proportional to 449,037.48, 673,556.22 and 133,493.88

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Solution

The fourth proportional to 449,037.48, 673,556.22 and 133,493.88 is: 200,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,037.48 : 673,556.22 = 133,493.88 : x
  2. Step 2: Convert to fraction form
    449,037.48/673,556.22 = 133,493.88/x
  3. Step 3: Cross multiply
    449,037.48x = 673,556.22 × 133,493.88
  4. Step 4: Simplify right side
    449,037.48x = 89,915,633,205.93
  5. Step 5: Solve for x
    x = 89,915,633,205.93/449,037.48
  6. Step 6: Final answer
    x = 200,240.82

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Similar ratio
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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.