Home / 449,427.05-674,143.13-149,906.75

Finding the Fourth Proportional to 449,427.05, 674,143.13 and 149,906.75

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Solution

The fourth proportional to 449,427.05, 674,143.13 and 149,906.75 is: 224,860.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,427.05 : 674,143.13 = 149,906.75 : x
  2. Step 2: Convert to fraction form
    449,427.05/674,143.13 = 149,906.75/x
  3. Step 3: Cross multiply
    449,427.05x = 674,143.13 × 149,906.75
  4. Step 4: Simplify right side
    449,427.05x = 101,058,601,532.88
  5. Step 5: Solve for x
    x = 101,058,601,532.88/449,427.05
  6. Step 6: Final answer
    x = 224,860.97

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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.