Home / 219,942.52-331,561.94-205,295.02

Finding the Fourth Proportional to 219,942.52, 331,561.94 and 205,295.02

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Solution

The fourth proportional to 219,942.52, 331,561.94 and 205,295.02 is: 309,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,942.52 : 331,561.94 = 205,295.02 : x
  2. Step 2: Convert to fraction form
    219,942.52/331,561.94 = 205,295.02/x
  3. Step 3: Cross multiply
    219,942.52x = 331,561.94 × 205,295.02
  4. Step 4: Simplify right side
    219,942.52x = 68,068,015,103.54
  5. Step 5: Solve for x
    x = 68,068,015,103.54/219,942.52
  6. Step 6: Final answer
    x = 309,480.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.