Home / 271,500.12-407,308.68-81,944.64

Finding the Fourth Proportional to 271,500.12, 407,308.68 and 81,944.64

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Solution

The fourth proportional to 271,500.12, 407,308.68 and 81,944.64 is: 122,934.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,500.12 : 407,308.68 = 81,944.64 : x
  2. Step 2: Convert to fraction form
    271,500.12/407,308.68 = 81,944.64/x
  3. Step 3: Cross multiply
    271,500.12x = 407,308.68 × 81,944.64
  4. Step 4: Simplify right side
    271,500.12x = 33,376,763,151.48
  5. Step 5: Solve for x
    x = 33,376,763,151.48/271,500.12
  6. Step 6: Final answer
    x = 122,934.62

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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.