Home / 324,585.03-486,151.55-187,640.34

Finding the Fourth Proportional to 324,585.03, 486,151.55 and 187,640.34

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Solution

The fourth proportional to 324,585.03, 486,151.55 and 187,640.34 is: 281,040.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,585.03 : 486,151.55 = 187,640.34 : x
  2. Step 2: Convert to fraction form
    324,585.03/486,151.55 = 187,640.34/x
  3. Step 3: Cross multiply
    324,585.03x = 486,151.55 × 187,640.34
  4. Step 4: Simplify right side
    324,585.03x = 91,221,641,195.33
  5. Step 5: Solve for x
    x = 91,221,641,195.33/324,585.03
  6. Step 6: Final answer
    x = 281,040.81

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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.