Home / 324,122.20-486,183.30-305,751.40

Finding the Fourth Proportional to 324,122.20, 486,183.30 and 305,751.40

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Solution

The fourth proportional to 324,122.20, 486,183.30 and 305,751.40 is: 458,627.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,122.20 : 486,183.30 = 305,751.40 : x
  2. Step 2: Convert to fraction form
    324,122.20/486,183.30 = 305,751.40/x
  3. Step 3: Cross multiply
    324,122.20x = 486,183.30 × 305,751.40
  4. Step 4: Simplify right side
    324,122.20x = 148,651,224,631.62
  5. Step 5: Solve for x
    x = 148,651,224,631.62/324,122.20
  6. Step 6: Final answer
    x = 458,627.10

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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.