Home / 324,515.39-486,947.34-135,106.49

Finding the Fourth Proportional to 324,515.39, 486,947.34 and 135,106.49

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Solution

The fourth proportional to 324,515.39, 486,947.34 and 135,106.49 is: 202,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,515.39 : 486,947.34 = 135,106.49 : x
  2. Step 2: Convert to fraction form
    324,515.39/486,947.34 = 135,106.49/x
  3. Step 3: Cross multiply
    324,515.39x = 486,947.34 × 135,106.49
  4. Step 4: Simplify right side
    324,515.39x = 65,789,747,139.61
  5. Step 5: Solve for x
    x = 65,789,747,139.61/324,515.39
  6. Step 6: Final answer
    x = 202,732.29

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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.