Home / 299,621.80-449,432.70-181,232.20

Finding the Fourth Proportional to 299,621.80, 449,432.70 and 181,232.20

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Solution

The fourth proportional to 299,621.80, 449,432.70 and 181,232.20 is: 271,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,621.80 : 449,432.70 = 181,232.20 : x
  2. Step 2: Convert to fraction form
    299,621.80/449,432.70 = 181,232.20/x
  3. Step 3: Cross multiply
    299,621.80x = 449,432.70 × 181,232.20
  4. Step 4: Simplify right side
    299,621.80x = 81,451,676,972.94
  5. Step 5: Solve for x
    x = 81,451,676,972.94/299,621.80
  6. Step 6: Final answer
    x = 271,848.30

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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.