Home / 300,423.27-450,790.20-132,061.80

Finding the Fourth Proportional to 300,423.27, 450,790.20 and 132,061.80

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Solution

The fourth proportional to 300,423.27, 450,790.20 and 132,061.80 is: 198,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,423.27 : 450,790.20 = 132,061.80 : x
  2. Step 2: Convert to fraction form
    300,423.27/450,790.20 = 132,061.80/x
  3. Step 3: Cross multiply
    300,423.27x = 450,790.20 × 132,061.80
  4. Step 4: Simplify right side
    300,423.27x = 59,532,165,234.36
  5. Step 5: Solve for x
    x = 59,532,165,234.36/300,423.27
  6. Step 6: Final answer
    x = 198,160.97

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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.