Home / 231,608.07-319,365.32-150,885.90

Finding the Fourth Proportional to 231,608.07, 319,365.32 and 150,885.90

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Solution

The fourth proportional to 231,608.07, 319,365.32 and 150,885.90 is: 208,057.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,608.07 : 319,365.32 = 150,885.90 : x
  2. Step 2: Convert to fraction form
    231,608.07/319,365.32 = 150,885.90/x
  3. Step 3: Cross multiply
    231,608.07x = 319,365.32 × 150,885.90
  4. Step 4: Simplify right side
    231,608.07x = 48,187,722,982.56
  5. Step 5: Solve for x
    x = 48,187,722,982.56/231,608.07
  6. Step 6: Final answer
    x = 208,057.18

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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.