Home / 451,255.17-676,707.78-240,778.29

Finding the Fourth Proportional to 451,255.17, 676,707.78 and 240,778.29

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Solution

The fourth proportional to 451,255.17, 676,707.78 and 240,778.29 is: 361,074.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,255.17 : 676,707.78 = 240,778.29 : x
  2. Step 2: Convert to fraction form
    451,255.17/676,707.78 = 240,778.29/x
  3. Step 3: Cross multiply
    451,255.17x = 676,707.78 × 240,778.29
  4. Step 4: Simplify right side
    451,255.17x = 162,936,542,098.10
  5. Step 5: Solve for x
    x = 162,936,542,098.10/451,255.17
  6. Step 6: Final answer
    x = 361,074.07

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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.