Home / 275,204.73-412,408.69-189,727.85

Finding the Fourth Proportional to 275,204.73, 412,408.69 and 189,727.85

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Solution

The fourth proportional to 275,204.73, 412,408.69 and 189,727.85 is: 284,317.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,204.73 : 412,408.69 = 189,727.85 : x
  2. Step 2: Convert to fraction form
    275,204.73/412,408.69 = 189,727.85/x
  3. Step 3: Cross multiply
    275,204.73x = 412,408.69 × 189,727.85
  4. Step 4: Simplify right side
    275,204.73x = 78,245,415,698.94
  5. Step 5: Solve for x
    x = 78,245,415,698.94/275,204.73
  6. Step 6: Final answer
    x = 284,317.11

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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.