Home / 451,385.82-676,971.30-181,514.61

Finding the Fourth Proportional to 451,385.82, 676,971.30 and 181,514.61

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Solution

The fourth proportional to 451,385.82, 676,971.30 and 181,514.61 is: 272,228.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,385.82 : 676,971.30 = 181,514.61 : x
  2. Step 2: Convert to fraction form
    451,385.82/676,971.30 = 181,514.61/x
  3. Step 3: Cross multiply
    451,385.82x = 676,971.30 × 181,514.61
  4. Step 4: Simplify right side
    451,385.82x = 122,880,181,500.69
  5. Step 5: Solve for x
    x = 122,880,181,500.69/451,385.82
  6. Step 6: Final answer
    x = 272,228.71

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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.