Home / 259,042.25-388,545.55-159,217.85

Finding the Fourth Proportional to 259,042.25, 388,545.55 and 159,217.85

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Solution

The fourth proportional to 259,042.25, 388,545.55 and 159,217.85 is: 238,815.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,042.25 : 388,545.55 = 159,217.85 : x
  2. Step 2: Convert to fraction form
    259,042.25/388,545.55 = 159,217.85/x
  3. Step 3: Cross multiply
    259,042.25x = 388,545.55 × 159,217.85
  4. Step 4: Simplify right side
    259,042.25x = 61,863,387,098.07
  5. Step 5: Solve for x
    x = 61,863,387,098.07/259,042.25
  6. Step 6: Final answer
    x = 238,815.82

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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.