Home / 332,451.28-458,721-189,202.80

Finding the Fourth Proportional to 332,451.28, 458,721 and 189,202.80

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Solution

The fourth proportional to 332,451.28, 458,721 and 189,202.80 is: 261,064.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,451.28 : 458,721 = 189,202.80 : x
  2. Step 2: Convert to fraction form
    332,451.28/458,721 = 189,202.80/x
  3. Step 3: Cross multiply
    332,451.28x = 458,721 × 189,202.80
  4. Step 4: Simplify right side
    332,451.28x = 86,791,297,618.80
  5. Step 5: Solve for x
    x = 86,791,297,618.80/332,451.28
  6. Step 6: Final answer
    x = 261,064.71

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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.