Home / 269,428.03-404,109.24-69,731.85

Finding the Fourth Proportional to 269,428.03, 404,109.24 and 69,731.85

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Solution

The fourth proportional to 269,428.03, 404,109.24 and 69,731.85 is: 104,589.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,428.03 : 404,109.24 = 69,731.85 : x
  2. Step 2: Convert to fraction form
    269,428.03/404,109.24 = 69,731.85/x
  3. Step 3: Cross multiply
    269,428.03x = 404,109.24 × 69,731.85
  4. Step 4: Simplify right side
    269,428.03x = 28,179,284,907.29
  5. Step 5: Solve for x
    x = 28,179,284,907.29/269,428.03
  6. Step 6: Final answer
    x = 104,589.28

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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.