Home / 455,221.29-682,906.11-170,933.85

Finding the Fourth Proportional to 455,221.29, 682,906.11 and 170,933.85

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Solution

The fourth proportional to 455,221.29, 682,906.11 and 170,933.85 is: 256,428.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,221.29 : 682,906.11 = 170,933.85 : x
  2. Step 2: Convert to fraction form
    455,221.29/682,906.11 = 170,933.85/x
  3. Step 3: Cross multiply
    455,221.29x = 682,906.11 × 170,933.85
  4. Step 4: Simplify right side
    455,221.29x = 116,731,770,570.82
  5. Step 5: Solve for x
    x = 116,731,770,570.82/455,221.29
  6. Step 6: Final answer
    x = 256,428.63

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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.