Home / 449,489.10-674,259.57-169,008.78

Finding the Fourth Proportional to 449,489.10, 674,259.57 and 169,008.78

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Solution

The fourth proportional to 449,489.10, 674,259.57 and 169,008.78 is: 253,522.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,489.10 : 674,259.57 = 169,008.78 : x
  2. Step 2: Convert to fraction form
    449,489.10/674,259.57 = 169,008.78/x
  3. Step 3: Cross multiply
    449,489.10x = 674,259.57 × 169,008.78
  4. Step 4: Simplify right side
    449,489.10x = 113,955,787,329.03
  5. Step 5: Solve for x
    x = 113,955,787,329.03/449,489.10
  6. Step 6: Final answer
    x = 253,522.92

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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.