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Finding the Fourth Proportional to 221,625.38, 332,438.08 and 55,413.38

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Solution

The fourth proportional to 221,625.38, 332,438.08 and 55,413.38 is: 83,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,625.38 : 332,438.08 = 55,413.38 : x
  2. Step 2: Convert to fraction form
    221,625.38/332,438.08 = 55,413.38/x
  3. Step 3: Cross multiply
    221,625.38x = 332,438.08 × 55,413.38
  4. Step 4: Simplify right side
    221,625.38x = 18,421,517,653.51
  5. Step 5: Solve for x
    x = 18,421,517,653.51/221,625.38
  6. Step 6: Final answer
    x = 83,120.07

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1.5x scale

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.