Home / 303,247.10-454,911.15-103,517.30

Finding the Fourth Proportional to 303,247.10, 454,911.15 and 103,517.30

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Solution

The fourth proportional to 303,247.10, 454,911.15 and 103,517.30 is: 155,289.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,247.10 : 454,911.15 = 103,517.30 : x
  2. Step 2: Convert to fraction form
    303,247.10/454,911.15 = 103,517.30/x
  3. Step 3: Cross multiply
    303,247.10x = 454,911.15 × 103,517.30
  4. Step 4: Simplify right side
    303,247.10x = 47,091,173,987.90
  5. Step 5: Solve for x
    x = 47,091,173,987.90/303,247.10
  6. Step 6: Final answer
    x = 155,289.78

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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.