Home / 299,729.85-449,209.32-141,609.75

Finding the Fourth Proportional to 299,729.85, 449,209.32 and 141,609.75

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Solution

The fourth proportional to 299,729.85, 449,209.32 and 141,609.75 is: 212,232.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,729.85 : 449,209.32 = 141,609.75 : x
  2. Step 2: Convert to fraction form
    299,729.85/449,209.32 = 141,609.75/x
  3. Step 3: Cross multiply
    299,729.85x = 449,209.32 × 141,609.75
  4. Step 4: Simplify right side
    299,729.85x = 63,612,418,794.82
  5. Step 5: Solve for x
    x = 63,612,418,794.82/299,729.85
  6. Step 6: Final answer
    x = 212,232.51

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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.