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Finding the Fourth Proportional to 244,158, 366,239.28 and 86,413.20

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Solution

The fourth proportional to 244,158, 366,239.28 and 86,413.20 is: 129,620.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,158 : 366,239.28 = 86,413.20 : x
  2. Step 2: Convert to fraction form
    244,158/366,239.28 = 86,413.20/x
  3. Step 3: Cross multiply
    244,158x = 366,239.28 × 86,413.20
  4. Step 4: Simplify right side
    244,158x = 31,647,908,150.50
  5. Step 5: Solve for x
    x = 31,647,908,150.50/244,158
  6. Step 6: Final answer
    x = 129,620.61

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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.