Home / 300,318.40-450,517.24-110,911.90

Finding the Fourth Proportional to 300,318.40, 450,517.24 and 110,911.90

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Solution

The fourth proportional to 300,318.40, 450,517.24 and 110,911.90 is: 166,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,318.40 : 450,517.24 = 110,911.90 : x
  2. Step 2: Convert to fraction form
    300,318.40/450,517.24 = 110,911.90/x
  3. Step 3: Cross multiply
    300,318.40x = 450,517.24 × 110,911.90
  4. Step 4: Simplify right side
    300,318.40x = 49,967,722,928.22
  5. Step 5: Solve for x
    x = 49,967,722,928.22/300,318.40
  6. Step 6: Final answer
    x = 166,382.49

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1.5x scale

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.