Home / 319,514-479,229.36-94,869.92

Finding the Fourth Proportional to 319,514, 479,229.36 and 94,869.92

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Solution

The fourth proportional to 319,514, 479,229.36 and 94,869.92 is: 142,292.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,514 : 479,229.36 = 94,869.92 : x
  2. Step 2: Convert to fraction form
    319,514/479,229.36 = 94,869.92/x
  3. Step 3: Cross multiply
    319,514x = 479,229.36 × 94,869.92
  4. Step 4: Simplify right side
    319,514x = 45,464,451,044.85
  5. Step 5: Solve for x
    x = 45,464,451,044.85/319,514
  6. Step 6: Final answer
    x = 142,292.52

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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.