Home / 271,749.48-405,794.27-221,928.41

Finding the Fourth Proportional to 271,749.48, 405,794.27 and 221,928.41

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Solution

The fourth proportional to 271,749.48, 405,794.27 and 221,928.41 is: 331,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,749.48 : 405,794.27 = 221,928.41 : x
  2. Step 2: Convert to fraction form
    271,749.48/405,794.27 = 221,928.41/x
  3. Step 3: Cross multiply
    271,749.48x = 405,794.27 × 221,928.41
  4. Step 4: Simplify right side
    271,749.48x = 90,057,273,989.60
  5. Step 5: Solve for x
    x = 90,057,273,989.60/271,749.48
  6. Step 6: Final answer
    x = 331,398.15

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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.