Home / 221,497.90-305,560.83-160,974.70

Finding the Fourth Proportional to 221,497.90, 305,560.83 and 160,974.70

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Solution

The fourth proportional to 221,497.90, 305,560.83 and 160,974.70 is: 222,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,497.90 : 305,560.83 = 160,974.70 : x
  2. Step 2: Convert to fraction form
    221,497.90/305,560.83 = 160,974.70/x
  3. Step 3: Cross multiply
    221,497.90x = 305,560.83 × 160,974.70
  4. Step 4: Simplify right side
    221,497.90x = 49,187,562,941.00
  5. Step 5: Solve for x
    x = 49,187,562,941.00/221,497.90
  6. Step 6: Final answer
    x = 222,067.85

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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.