Home / 281,251.26-388,049.85-160,348.46

Finding the Fourth Proportional to 281,251.26, 388,049.85 and 160,348.46

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Solution

The fourth proportional to 281,251.26, 388,049.85 and 160,348.46 is: 221,237.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,251.26 : 388,049.85 = 160,348.46 : x
  2. Step 2: Convert to fraction form
    281,251.26/388,049.85 = 160,348.46/x
  3. Step 3: Cross multiply
    281,251.26x = 388,049.85 × 160,348.46
  4. Step 4: Simplify right side
    281,251.26x = 62,223,193,910.48
  5. Step 5: Solve for x
    x = 62,223,193,910.48/281,251.26
  6. Step 6: Final answer
    x = 221,237.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.