Home / 300,834.28-451,134.78-160,516.36

Finding the Fourth Proportional to 300,834.28, 451,134.78 and 160,516.36

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Solution

The fourth proportional to 300,834.28, 451,134.78 and 160,516.36 is: 240,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,834.28 : 451,134.78 = 160,516.36 : x
  2. Step 2: Convert to fraction form
    300,834.28/451,134.78 = 160,516.36/x
  3. Step 3: Cross multiply
    300,834.28x = 451,134.78 × 160,516.36
  4. Step 4: Simplify right side
    300,834.28x = 72,414,512,755.00
  5. Step 5: Solve for x
    x = 72,414,512,755.00/300,834.28
  6. Step 6: Final answer
    x = 240,712.30

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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.