Home / 231,049.60-318,672.88-198,837.79

Finding the Fourth Proportional to 231,049.60, 318,672.88 and 198,837.79

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Solution

The fourth proportional to 231,049.60, 318,672.88 and 198,837.79 is: 274,245.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,049.60 : 318,672.88 = 198,837.79 : x
  2. Step 2: Convert to fraction form
    231,049.60/318,672.88 = 198,837.79/x
  3. Step 3: Cross multiply
    231,049.60x = 318,672.88 × 198,837.79
  4. Step 4: Simplify right side
    231,049.60x = 63,364,211,192.14
  5. Step 5: Solve for x
    x = 63,364,211,192.14/231,049.60
  6. Step 6: Final answer
    x = 274,245.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.