Home / 281,399.50-422,098.46-217,450.70

Finding the Fourth Proportional to 281,399.50, 422,098.46 and 217,450.70

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Solution

The fourth proportional to 281,399.50, 422,098.46 and 217,450.70 is: 326,175.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,399.50 : 422,098.46 = 217,450.70 : x
  2. Step 2: Convert to fraction form
    281,399.50/422,098.46 = 217,450.70/x
  3. Step 3: Cross multiply
    281,399.50x = 422,098.46 × 217,450.70
  4. Step 4: Simplify right side
    281,399.50x = 91,785,605,595.92
  5. Step 5: Solve for x
    x = 91,785,605,595.92/281,399.50
  6. Step 6: Final answer
    x = 326,175.44

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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.