Home / 299,961.10-449,941.65-252,721.90

Finding the Fourth Proportional to 299,961.10, 449,941.65 and 252,721.90

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Solution

The fourth proportional to 299,961.10, 449,941.65 and 252,721.90 is: 379,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,961.10 : 449,941.65 = 252,721.90 : x
  2. Step 2: Convert to fraction form
    299,961.10/449,941.65 = 252,721.90/x
  3. Step 3: Cross multiply
    299,961.10x = 449,941.65 × 252,721.90
  4. Step 4: Simplify right side
    299,961.10x = 113,710,108,677.14
  5. Step 5: Solve for x
    x = 113,710,108,677.14/299,961.10
  6. Step 6: Final answer
    x = 379,082.85

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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.