Home / 271,879.71-407,977.53-111,971.73

Finding the Fourth Proportional to 271,879.71, 407,977.53 and 111,971.73

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Solution

The fourth proportional to 271,879.71, 407,977.53 and 111,971.73 is: 168,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,879.71 : 407,977.53 = 111,971.73 : x
  2. Step 2: Convert to fraction form
    271,879.71/407,977.53 = 111,971.73/x
  3. Step 3: Cross multiply
    271,879.71x = 407,977.53 × 111,971.73
  4. Step 4: Simplify right side
    271,879.71x = 45,681,949,835.23
  5. Step 5: Solve for x
    x = 45,681,949,835.23/271,879.71
  6. Step 6: Final answer
    x = 168,022.65

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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.