Home / 299,815.32-449,847.53-131,248.88

Finding the Fourth Proportional to 299,815.32, 449,847.53 and 131,248.88

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Solution

The fourth proportional to 299,815.32, 449,847.53 and 131,248.88 is: 196,927.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,815.32 : 449,847.53 = 131,248.88 : x
  2. Step 2: Convert to fraction form
    299,815.32/449,847.53 = 131,248.88/x
  3. Step 3: Cross multiply
    299,815.32x = 449,847.53 × 131,248.88
  4. Step 4: Simplify right side
    299,815.32x = 59,041,981,577.78
  5. Step 5: Solve for x
    x = 59,041,981,577.78/299,815.32
  6. Step 6: Final answer
    x = 196,927.83

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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.