Home / 198,547.38-297,857.97-80,301.69

Finding the Fourth Proportional to 198,547.38, 297,857.97 and 80,301.69

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Solution

The fourth proportional to 198,547.38, 297,857.97 and 80,301.69 is: 120,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,547.38 : 297,857.97 = 80,301.69 : x
  2. Step 2: Convert to fraction form
    198,547.38/297,857.97 = 80,301.69/x
  3. Step 3: Cross multiply
    198,547.38x = 297,857.97 × 80,301.69
  4. Step 4: Simplify right side
    198,547.38x = 23,918,498,370.97
  5. Step 5: Solve for x
    x = 23,918,498,370.97/198,547.38
  6. Step 6: Final answer
    x = 120,467.46

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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.