Home / 394,012.44-591,076.98-144,675

Finding the Fourth Proportional to 394,012.44, 591,076.98 and 144,675

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Solution

The fourth proportional to 394,012.44, 591,076.98 and 144,675 is: 217,033.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,012.44 : 591,076.98 = 144,675 : x
  2. Step 2: Convert to fraction form
    394,012.44/591,076.98 = 144,675/x
  3. Step 3: Cross multiply
    394,012.44x = 591,076.98 × 144,675
  4. Step 4: Simplify right side
    394,012.44x = 85,514,062,081.50
  5. Step 5: Solve for x
    x = 85,514,062,081.50/394,012.44
  6. Step 6: Final answer
    x = 217,033.91

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1.5x scale

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.