Home / 271,880.71-407,979.03-111,972.73

Finding the Fourth Proportional to 271,880.71, 407,979.03 and 111,972.73

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Solution

The fourth proportional to 271,880.71, 407,979.03 and 111,972.73 is: 168,024.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,880.71 : 407,979.03 = 111,972.73 : x
  2. Step 2: Convert to fraction form
    271,880.71/407,979.03 = 111,972.73/x
  3. Step 3: Cross multiply
    271,880.71x = 407,979.03 × 111,972.73
  4. Step 4: Simplify right side
    271,880.71x = 45,682,525,771.85
  5. Step 5: Solve for x
    x = 45,682,525,771.85/271,880.71
  6. Step 6: Final answer
    x = 168,024.15

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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.