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Finding the Fourth Proportional to 299,714.58, 449,718.48 and 131,211.90

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Solution

The fourth proportional to 299,714.58, 449,718.48 and 131,211.90 is: 196,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,714.58 : 449,718.48 = 131,211.90 : x
  2. Step 2: Convert to fraction form
    299,714.58/449,718.48 = 131,211.90/x
  3. Step 3: Cross multiply
    299,714.58x = 449,718.48 × 131,211.90
  4. Step 4: Simplify right side
    299,714.58x = 59,008,416,225.91
  5. Step 5: Solve for x
    x = 59,008,416,225.91/299,714.58
  6. Step 6: Final answer
    x = 196,882.03

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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.