Home / 475,222.66-655,825.35-271,306.78

Finding the Fourth Proportional to 475,222.66, 655,825.35 and 271,306.78

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Solution

The fourth proportional to 475,222.66, 655,825.35 and 271,306.78 is: 374,413.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,222.66 : 655,825.35 = 271,306.78 : x
  2. Step 2: Convert to fraction form
    475,222.66/655,825.35 = 271,306.78/x
  3. Step 3: Cross multiply
    475,222.66x = 655,825.35 × 271,306.78
  4. Step 4: Simplify right side
    475,222.66x = 177,929,863,950.87
  5. Step 5: Solve for x
    x = 177,929,863,950.87/475,222.66
  6. Step 6: Final answer
    x = 374,413.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.