Home / 394,401.03-591,391.06-204,670.36

Finding the Fourth Proportional to 394,401.03, 591,391.06 and 204,670.36

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Solution

The fourth proportional to 394,401.03, 591,391.06 and 204,670.36 is: 306,896.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,401.03 : 591,391.06 = 204,670.36 : x
  2. Step 2: Convert to fraction form
    394,401.03/591,391.06 = 204,670.36/x
  3. Step 3: Cross multiply
    394,401.03x = 591,391.06 × 204,670.36
  4. Step 4: Simplify right side
    394,401.03x = 121,040,219,160.83
  5. Step 5: Solve for x
    x = 121,040,219,160.83/394,401.03
  6. Step 6: Final answer
    x = 306,896.31

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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.