Home / 319,335.75-479,003.63-179,105.31

Finding the Fourth Proportional to 319,335.75, 479,003.63 and 179,105.31

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Solution

The fourth proportional to 319,335.75, 479,003.63 and 179,105.31 is: 268,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,335.75 : 479,003.63 = 179,105.31 : x
  2. Step 2: Convert to fraction form
    319,335.75/479,003.63 = 179,105.31/x
  3. Step 3: Cross multiply
    319,335.75x = 479,003.63 × 179,105.31
  4. Step 4: Simplify right side
    319,335.75x = 85,792,092,746.75
  5. Step 5: Solve for x
    x = 85,792,092,746.75/319,335.75
  6. Step 6: Final answer
    x = 268,657.97

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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.