Home / 271,814.23-405,890.83-221,993.16

Finding the Fourth Proportional to 271,814.23, 405,890.83 and 221,993.16

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Solution

The fourth proportional to 271,814.23, 405,890.83 and 221,993.16 is: 331,494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,814.23 : 405,890.83 = 221,993.16 : x
  2. Step 2: Convert to fraction form
    271,814.23/405,890.83 = 221,993.16/x
  3. Step 3: Cross multiply
    271,814.23x = 405,890.83 × 221,993.16
  4. Step 4: Simplify right side
    271,814.23x = 90,104,987,966.72
  5. Step 5: Solve for x
    x = 90,104,987,966.72/271,814.23
  6. Step 6: Final answer
    x = 331,494.74

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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.