Home / 300,829.70-451,366.05-132,382.10

Finding the Fourth Proportional to 300,829.70, 451,366.05 and 132,382.10

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Solution

The fourth proportional to 300,829.70, 451,366.05 and 132,382.10 is: 198,626.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,829.70 : 451,366.05 = 132,382.10 : x
  2. Step 2: Convert to fraction form
    300,829.70/451,366.05 = 132,382.10/x
  3. Step 3: Cross multiply
    300,829.70x = 451,366.05 × 132,382.10
  4. Step 4: Simplify right side
    300,829.70x = 59,752,785,567.71
  5. Step 5: Solve for x
    x = 59,752,785,567.71/300,829.70
  6. Step 6: Final answer
    x = 198,626.62

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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.