Home / 319,780.37-479,626.82-95,175.47

Finding the Fourth Proportional to 319,780.37, 479,626.82 and 95,175.47

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Solution

The fourth proportional to 319,780.37, 479,626.82 and 95,175.47 is: 142,750.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,780.37 : 479,626.82 = 95,175.47 : x
  2. Step 2: Convert to fraction form
    319,780.37/479,626.82 = 95,175.47/x
  3. Step 3: Cross multiply
    319,780.37x = 479,626.82 × 95,175.47
  4. Step 4: Simplify right side
    319,780.37x = 45,648,709,098.20
  5. Step 5: Solve for x
    x = 45,648,709,098.20/319,780.37
  6. Step 6: Final answer
    x = 142,750.19

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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.