Home / 269,629.80-404,444.70-136,919.40

Finding the Fourth Proportional to 269,629.80, 404,444.70 and 136,919.40

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Solution

The fourth proportional to 269,629.80, 404,444.70 and 136,919.40 is: 205,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,629.80 : 404,444.70 = 136,919.40 : x
  2. Step 2: Convert to fraction form
    269,629.80/404,444.70 = 136,919.40/x
  3. Step 3: Cross multiply
    269,629.80x = 404,444.70 × 136,919.40
  4. Step 4: Simplify right side
    269,629.80x = 55,376,325,657.18
  5. Step 5: Solve for x
    x = 55,376,325,657.18/269,629.80
  6. Step 6: Final answer
    x = 205,379.10

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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.