Home / 394,401.15-591,391.25-204,670.49

Finding the Fourth Proportional to 394,401.15, 591,391.25 and 204,670.49

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Solution

The fourth proportional to 394,401.15, 591,391.25 and 204,670.49 is: 306,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,401.15 : 591,391.25 = 204,670.49 : x
  2. Step 2: Convert to fraction form
    394,401.15/591,391.25 = 204,670.49/x
  3. Step 3: Cross multiply
    394,401.15x = 591,391.25 × 204,670.49
  4. Step 4: Simplify right side
    394,401.15x = 121,040,333,962.26
  5. Step 5: Solve for x
    x = 121,040,333,962.26/394,401.15
  6. Step 6: Final answer
    x = 306,896.50

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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.