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Finding the Fourth Proportional to 221,625.39, 332,438.07 and 55,413.39

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Solution

The fourth proportional to 221,625.39, 332,438.07 and 55,413.39 is: 83,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,625.39 : 332,438.07 = 55,413.39 : x
  2. Step 2: Convert to fraction form
    221,625.39/332,438.07 = 55,413.39/x
  3. Step 3: Cross multiply
    221,625.39x = 332,438.07 × 55,413.39
  4. Step 4: Simplify right side
    221,625.39x = 18,421,520,423.76
  5. Step 5: Solve for x
    x = 18,421,520,423.76/221,625.39
  6. Step 6: Final answer
    x = 83,120.08

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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.