Home / 231,837.72-319,621.86-198,207.42

Finding the Fourth Proportional to 231,837.72, 319,621.86 and 198,207.42

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Solution

The fourth proportional to 231,837.72, 319,621.86 and 198,207.42 is: 273,257.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,837.72 : 319,621.86 = 198,207.42 : x
  2. Step 2: Convert to fraction form
    231,837.72/319,621.86 = 198,207.42/x
  3. Step 3: Cross multiply
    231,837.72x = 319,621.86 × 198,207.42
  4. Step 4: Simplify right side
    231,837.72x = 63,351,424,246.20
  5. Step 5: Solve for x
    x = 63,351,424,246.20/231,837.72
  6. Step 6: Final answer
    x = 273,257.62

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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.