Home / 319,631.76-479,505.98-159,791.24

Finding the Fourth Proportional to 319,631.76, 479,505.98 and 159,791.24

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Solution

The fourth proportional to 319,631.76, 479,505.98 and 159,791.24 is: 239,716.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,631.76 : 479,505.98 = 159,791.24 : x
  2. Step 2: Convert to fraction form
    319,631.76/479,505.98 = 159,791.24/x
  3. Step 3: Cross multiply
    319,631.76x = 479,505.98 × 159,791.24
  4. Step 4: Simplify right side
    319,631.76x = 76,620,855,131.62
  5. Step 5: Solve for x
    x = 76,620,855,131.62/319,631.76
  6. Step 6: Final answer
    x = 239,716.03

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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.