Home / 278,116.73-416,927.67-100,584.26

Finding the Fourth Proportional to 278,116.73, 416,927.67 and 100,584.26

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Solution

The fourth proportional to 278,116.73, 416,927.67 and 100,584.26 is: 150,786.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,116.73 : 416,927.67 = 100,584.26 : x
  2. Step 2: Convert to fraction form
    278,116.73/416,927.67 = 100,584.26/x
  3. Step 3: Cross multiply
    278,116.73x = 416,927.67 × 100,584.26
  4. Step 4: Simplify right side
    278,116.73x = 41,936,361,160.47
  5. Step 5: Solve for x
    x = 41,936,361,160.47/278,116.73
  6. Step 6: Final answer
    x = 150,786.91

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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.