Home / 269,828.12-404,761.74-103,616.12

Finding the Fourth Proportional to 269,828.12, 404,761.74 and 103,616.12

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Solution

The fourth proportional to 269,828.12, 404,761.74 and 103,616.12 is: 155,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,828.12 : 404,761.74 = 103,616.12 : x
  2. Step 2: Convert to fraction form
    269,828.12/404,761.74 = 103,616.12/x
  3. Step 3: Cross multiply
    269,828.12x = 404,761.74 × 103,616.12
  4. Step 4: Simplify right side
    269,828.12x = 41,939,841,023.25
  5. Step 5: Solve for x
    x = 41,939,841,023.25/269,828.12
  6. Step 6: Final answer
    x = 155,431.69

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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.