Home / 324,302.11-486,542.34-155,963.25

Finding the Fourth Proportional to 324,302.11, 486,542.34 and 155,963.25

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Solution

The fourth proportional to 324,302.11, 486,542.34 and 155,963.25 is: 233,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,302.11 : 486,542.34 = 155,963.25 : x
  2. Step 2: Convert to fraction form
    324,302.11/486,542.34 = 155,963.25/x
  3. Step 3: Cross multiply
    324,302.11x = 486,542.34 × 155,963.25
  4. Step 4: Simplify right side
    324,302.11x = 75,882,724,609.01
  5. Step 5: Solve for x
    x = 75,882,724,609.01/324,302.11
  6. Step 6: Final answer
    x = 233,987.76

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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.