Home / 394,058.50-591,174.22-127,845.92

Finding the Fourth Proportional to 394,058.50, 591,174.22 and 127,845.92

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Solution

The fourth proportional to 394,058.50, 591,174.22 and 127,845.92 is: 191,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,058.50 : 591,174.22 = 127,845.92 : x
  2. Step 2: Convert to fraction form
    394,058.50/591,174.22 = 127,845.92/x
  3. Step 3: Cross multiply
    394,058.50x = 591,174.22 × 127,845.92
  4. Step 4: Simplify right side
    394,058.50x = 75,579,212,036.18
  5. Step 5: Solve for x
    x = 75,579,212,036.18/394,058.50
  6. Step 6: Final answer
    x = 191,796.93

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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.