Home / 319,721.91-479,572.14-95,083.74

Finding the Fourth Proportional to 319,721.91, 479,572.14 and 95,083.74

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Solution

The fourth proportional to 319,721.91, 479,572.14 and 95,083.74 is: 142,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,721.91 : 479,572.14 = 95,083.74 : x
  2. Step 2: Convert to fraction form
    319,721.91/479,572.14 = 95,083.74/x
  3. Step 3: Cross multiply
    319,721.91x = 479,572.14 × 95,083.74
  4. Step 4: Simplify right side
    319,721.91x = 45,599,512,671.00
  5. Step 5: Solve for x
    x = 45,599,512,671.00/319,721.91
  6. Step 6: Final answer
    x = 142,622.42

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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.