Home / 271,815.73-405,893.06-221,994.66

Finding the Fourth Proportional to 271,815.73, 405,893.06 and 221,994.66

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Solution

The fourth proportional to 271,815.73, 405,893.06 and 221,994.66 is: 331,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,815.73 : 405,893.06 = 221,994.66 : x
  2. Step 2: Convert to fraction form
    271,815.73/405,893.06 = 221,994.66/x
  3. Step 3: Cross multiply
    271,815.73x = 405,893.06 × 221,994.66
  4. Step 4: Simplify right side
    271,815.73x = 90,106,091,851.06
  5. Step 5: Solve for x
    x = 90,106,091,851.06/271,815.73
  6. Step 6: Final answer
    x = 331,496.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.