Home / 394,618.25-591,923.66-170,137.28

Finding the Fourth Proportional to 394,618.25, 591,923.66 and 170,137.28

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Solution

The fourth proportional to 394,618.25, 591,923.66 and 170,137.28 is: 255,204.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,618.25 : 591,923.66 = 170,137.28 : x
  2. Step 2: Convert to fraction form
    394,618.25/591,923.66 = 170,137.28/x
  3. Step 3: Cross multiply
    394,618.25x = 591,923.66 × 170,137.28
  4. Step 4: Simplify right side
    394,618.25x = 100,708,277,669.74
  5. Step 5: Solve for x
    x = 100,708,277,669.74/394,618.25
  6. Step 6: Final answer
    x = 255,204.31

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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.