Home / 271,749.04-407,709.66-211,982.43

Finding the Fourth Proportional to 271,749.04, 407,709.66 and 211,982.43

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Solution

The fourth proportional to 271,749.04, 407,709.66 and 211,982.43 is: 318,040.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,749.04 : 407,709.66 = 211,982.43 : x
  2. Step 2: Convert to fraction form
    271,749.04/407,709.66 = 211,982.43/x
  3. Step 3: Cross multiply
    271,749.04x = 407,709.66 × 211,982.43
  4. Step 4: Simplify right side
    271,749.04x = 86,427,282,422.73
  5. Step 5: Solve for x
    x = 86,427,282,422.73/271,749.04
  6. Step 6: Final answer
    x = 318,040.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.