Home / 271,823.20-407,783.40-114,067.60

Finding the Fourth Proportional to 271,823.20, 407,783.40 and 114,067.60

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Solution

The fourth proportional to 271,823.20, 407,783.40 and 114,067.60 is: 171,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,823.20 : 407,783.40 = 114,067.60 : x
  2. Step 2: Convert to fraction form
    271,823.20/407,783.40 = 114,067.60/x
  3. Step 3: Cross multiply
    271,823.20x = 407,783.40 × 114,067.60
  4. Step 4: Simplify right side
    271,823.20x = 46,514,873,757.84
  5. Step 5: Solve for x
    x = 46,514,873,757.84/271,823.20
  6. Step 6: Final answer
    x = 171,121.79

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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.