Home / 269,555.19-403,491.40-198,557.88

Finding the Fourth Proportional to 269,555.19, 403,491.40 and 198,557.88

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Solution

The fourth proportional to 269,555.19, 403,491.40 and 198,557.88 is: 297,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,555.19 : 403,491.40 = 198,557.88 : x
  2. Step 2: Convert to fraction form
    269,555.19/403,491.40 = 198,557.88/x
  3. Step 3: Cross multiply
    269,555.19x = 403,491.40 × 198,557.88
  4. Step 4: Simplify right side
    269,555.19x = 80,116,396,982.23
  5. Step 5: Solve for x
    x = 80,116,396,982.23/269,555.19
  6. Step 6: Final answer
    x = 297,217.04

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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.