Home / 352,760.05-486,919.92-225,435.75

Finding the Fourth Proportional to 352,760.05, 486,919.92 and 225,435.75

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Solution

The fourth proportional to 352,760.05, 486,919.92 and 225,435.75 is: 311,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,760.05 : 486,919.92 = 225,435.75 : x
  2. Step 2: Convert to fraction form
    352,760.05/486,919.92 = 225,435.75/x
  3. Step 3: Cross multiply
    352,760.05x = 486,919.92 × 225,435.75
  4. Step 4: Simplify right side
    352,760.05x = 109,769,154,920.54
  5. Step 5: Solve for x
    x = 109,769,154,920.54/352,760.05
  6. Step 6: Final answer
    x = 311,172.30

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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.