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Finding the Fourth Proportional to 202,449.30, 303,681.15 and 62,207.70

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Solution

The fourth proportional to 202,449.30, 303,681.15 and 62,207.70 is: 93,313.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,449.30 : 303,681.15 = 62,207.70 : x
  2. Step 2: Convert to fraction form
    202,449.30/303,681.15 = 62,207.70/x
  3. Step 3: Cross multiply
    202,449.30x = 303,681.15 × 62,207.70
  4. Step 4: Simplify right side
    202,449.30x = 18,891,305,874.86
  5. Step 5: Solve for x
    x = 18,891,305,874.86/202,449.30
  6. Step 6: Final answer
    x = 93,313.76

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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.