Home / 324,725.50-486,660.57-137,505.34

Finding the Fourth Proportional to 324,725.50, 486,660.57 and 137,505.34

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Solution

The fourth proportional to 324,725.50, 486,660.57 and 137,505.34 is: 206,076.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,725.50 : 486,660.57 = 137,505.34 : x
  2. Step 2: Convert to fraction form
    324,725.50/486,660.57 = 137,505.34/x
  3. Step 3: Cross multiply
    324,725.50x = 486,660.57 × 137,505.34
  4. Step 4: Simplify right side
    324,725.50x = 66,918,427,142.44
  5. Step 5: Solve for x
    x = 66,918,427,142.44/324,725.50
  6. Step 6: Final answer
    x = 206,076.91

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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.