Home / 271,749.90-407,465.28-82,153.20

Finding the Fourth Proportional to 271,749.90, 407,465.28 and 82,153.20

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Solution

The fourth proportional to 271,749.90, 407,465.28 and 82,153.20 is: 123,181.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,749.90 : 407,465.28 = 82,153.20 : x
  2. Step 2: Convert to fraction form
    271,749.90/407,465.28 = 82,153.20/x
  3. Step 3: Cross multiply
    271,749.90x = 407,465.28 × 82,153.20
  4. Step 4: Simplify right side
    271,749.90x = 33,474,576,640.90
  5. Step 5: Solve for x
    x = 33,474,576,640.90/271,749.90
  6. Step 6: Final answer
    x = 123,181.56

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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.