Home / 299,816.32-449,849.03-131,249.88

Finding the Fourth Proportional to 299,816.32, 449,849.03 and 131,249.88

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Solution

The fourth proportional to 299,816.32, 449,849.03 and 131,249.88 is: 196,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,816.32 : 449,849.03 = 131,249.88 : x
  2. Step 2: Convert to fraction form
    299,816.32/449,849.03 = 131,249.88/x
  3. Step 3: Cross multiply
    299,816.32x = 449,849.03 × 131,249.88
  4. Step 4: Simplify right side
    299,816.32x = 59,042,631,205.62
  5. Step 5: Solve for x
    x = 59,042,631,205.62/299,816.32
  6. Step 6: Final answer
    x = 196,929.34

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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.