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Finding the Fourth Proportional to 449,323.80, 673,591.66 and 169,037.88

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Solution

The fourth proportional to 449,323.80, 673,591.66 and 169,037.88 is: 253,408.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,323.80 : 673,591.66 = 169,037.88 : x
  2. Step 2: Convert to fraction form
    449,323.80/673,591.66 = 169,037.88/x
  3. Step 3: Cross multiply
    449,323.80x = 673,591.66 × 169,037.88
  4. Step 4: Simplify right side
    449,323.80x = 113,862,506,192.08
  5. Step 5: Solve for x
    x = 113,862,506,192.08/449,323.80
  6. Step 6: Final answer
    x = 253,408.58

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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.