Home / 278,625.22-417,733.57-88,976.27

Finding the Fourth Proportional to 278,625.22, 417,733.57 and 88,976.27

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Solution

The fourth proportional to 278,625.22, 417,733.57 and 88,976.27 is: 133,399.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,625.22 : 417,733.57 = 88,976.27 : x
  2. Step 2: Convert to fraction form
    278,625.22/417,733.57 = 88,976.27/x
  3. Step 3: Cross multiply
    278,625.22x = 417,733.57 × 88,976.27
  4. Step 4: Simplify right side
    278,625.22x = 37,168,376,255.62
  5. Step 5: Solve for x
    x = 37,168,376,255.62/278,625.22
  6. Step 6: Final answer
    x = 133,399.18

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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.