Home / 309,850.20-464,775.30-168,132.60

Finding the Fourth Proportional to 309,850.20, 464,775.30 and 168,132.60

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Solution

The fourth proportional to 309,850.20, 464,775.30 and 168,132.60 is: 252,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,850.20 : 464,775.30 = 168,132.60 : x
  2. Step 2: Convert to fraction form
    309,850.20/464,775.30 = 168,132.60/x
  3. Step 3: Cross multiply
    309,850.20x = 464,775.30 × 168,132.60
  4. Step 4: Simplify right side
    309,850.20x = 78,143,879,604.78
  5. Step 5: Solve for x
    x = 78,143,879,604.78/309,850.20
  6. Step 6: Final answer
    x = 252,198.90

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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.