Home / 205,010.72-307,493.20-55,265.92

Finding the Fourth Proportional to 205,010.72, 307,493.20 and 55,265.92

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Solution

The fourth proportional to 205,010.72, 307,493.20 and 55,265.92 is: 82,892.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,010.72 : 307,493.20 = 55,265.92 : x
  2. Step 2: Convert to fraction form
    205,010.72/307,493.20 = 55,265.92/x
  3. Step 3: Cross multiply
    205,010.72x = 307,493.20 × 55,265.92
  4. Step 4: Simplify right side
    205,010.72x = 16,993,894,591.74
  5. Step 5: Solve for x
    x = 16,993,894,591.74/205,010.72
  6. Step 6: Final answer
    x = 82,892.71

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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.