Home / 325,568.20-487,769.10-200,763.40

Finding the Fourth Proportional to 325,568.20, 487,769.10 and 200,763.40

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Solution

The fourth proportional to 325,568.20, 487,769.10 and 200,763.40 is: 300,785.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,568.20 : 487,769.10 = 200,763.40 : x
  2. Step 2: Convert to fraction form
    325,568.20/487,769.10 = 200,763.40/x
  3. Step 3: Cross multiply
    325,568.20x = 487,769.10 × 200,763.40
  4. Step 4: Simplify right side
    325,568.20x = 97,926,182,930.94
  5. Step 5: Solve for x
    x = 97,926,182,930.94/325,568.20
  6. Step 6: Final answer
    x = 300,785.47

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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.