Home / 394,081.28-591,357.44-144,788.48

Finding the Fourth Proportional to 394,081.28, 591,357.44 and 144,788.48

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Solution

The fourth proportional to 394,081.28, 591,357.44 and 144,788.48 is: 217,269.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,081.28 : 591,357.44 = 144,788.48 : x
  2. Step 2: Convert to fraction form
    394,081.28/591,357.44 = 144,788.48/x
  3. Step 3: Cross multiply
    394,081.28x = 591,357.44 × 144,788.48
  4. Step 4: Simplify right side
    394,081.28x = 85,621,744,874.29
  5. Step 5: Solve for x
    x = 85,621,744,874.29/394,081.28
  6. Step 6: Final answer
    x = 217,269.25

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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.