Home / 271,219.28-406,979.64-121,453.52

Finding the Fourth Proportional to 271,219.28, 406,979.64 and 121,453.52

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Solution

The fourth proportional to 271,219.28, 406,979.64 and 121,453.52 is: 182,247.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,219.28 : 406,979.64 = 121,453.52 : x
  2. Step 2: Convert to fraction form
    271,219.28/406,979.64 = 121,453.52/x
  3. Step 3: Cross multiply
    271,219.28x = 406,979.64 × 121,453.52
  4. Step 4: Simplify right side
    271,219.28x = 49,429,109,846.33
  5. Step 5: Solve for x
    x = 49,429,109,846.33/271,219.28
  6. Step 6: Final answer
    x = 182,247.77

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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.