Home / 271,817.74-405,896.04-221,996.66

Finding the Fourth Proportional to 271,817.74, 405,896.04 and 221,996.66

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Solution

The fourth proportional to 271,817.74, 405,896.04 and 221,996.66 is: 331,499.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,817.74 : 405,896.04 = 221,996.66 : x
  2. Step 2: Convert to fraction form
    271,817.74/405,896.04 = 221,996.66/x
  3. Step 3: Cross multiply
    271,817.74x = 405,896.04 × 221,996.66
  4. Step 4: Simplify right side
    271,817.74x = 90,107,565,187.23
  5. Step 5: Solve for x
    x = 90,107,565,187.23/271,817.74
  6. Step 6: Final answer
    x = 331,499.94

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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.