Home / 309,622.20-464,433.30-247,414.20

Finding the Fourth Proportional to 309,622.20, 464,433.30 and 247,414.20

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Solution

The fourth proportional to 309,622.20, 464,433.30 and 247,414.20 is: 371,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,622.20 : 464,433.30 = 247,414.20 : x
  2. Step 2: Convert to fraction form
    309,622.20/464,433.30 = 247,414.20/x
  3. Step 3: Cross multiply
    309,622.20x = 464,433.30 × 247,414.20
  4. Step 4: Simplify right side
    309,622.20x = 114,907,393,372.86
  5. Step 5: Solve for x
    x = 114,907,393,372.86/309,622.20
  6. Step 6: Final answer
    x = 371,121.30

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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.