Home / 262,923.20-394,413.60-254,628.80

Finding the Fourth Proportional to 262,923.20, 394,413.60 and 254,628.80

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Solution

The fourth proportional to 262,923.20, 394,413.60 and 254,628.80 is: 381,971.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,923.20 : 394,413.60 = 254,628.80 : x
  2. Step 2: Convert to fraction form
    262,923.20/394,413.60 = 254,628.80/x
  3. Step 3: Cross multiply
    262,923.20x = 394,413.60 × 254,628.80
  4. Step 4: Simplify right side
    262,923.20x = 100,429,061,671.68
  5. Step 5: Solve for x
    x = 100,429,061,671.68/262,923.20
  6. Step 6: Final answer
    x = 381,971.09

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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.