Home / 299,884.05-449,849.33-100,205.15

Finding the Fourth Proportional to 299,884.05, 449,849.33 and 100,205.15

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Solution

The fourth proportional to 299,884.05, 449,849.33 and 100,205.15 is: 150,315.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,884.05 : 449,849.33 = 100,205.15 : x
  2. Step 2: Convert to fraction form
    299,884.05/449,849.33 = 100,205.15/x
  3. Step 3: Cross multiply
    299,884.05x = 449,849.33 × 100,205.15
  4. Step 4: Simplify right side
    299,884.05x = 45,077,216,839.78
  5. Step 5: Solve for x
    x = 45,077,216,839.78/299,884.05
  6. Step 6: Final answer
    x = 150,315.49

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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.