Home / 231,757.76-319,830.24-151,236.80

Finding the Fourth Proportional to 231,757.76, 319,830.24 and 151,236.80

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Solution

The fourth proportional to 231,757.76, 319,830.24 and 151,236.80 is: 208,709.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,757.76 : 319,830.24 = 151,236.80 : x
  2. Step 2: Convert to fraction form
    231,757.76/319,830.24 = 151,236.80/x
  3. Step 3: Cross multiply
    231,757.76x = 319,830.24 × 151,236.80
  4. Step 4: Simplify right side
    231,757.76x = 48,370,102,040.83
  5. Step 5: Solve for x
    x = 48,370,102,040.83/231,757.76
  6. Step 6: Final answer
    x = 208,709.74

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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.