Home / 271,834.20-407,816.10-131,477.40

Finding the Fourth Proportional to 271,834.20, 407,816.10 and 131,477.40

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Solution

The fourth proportional to 271,834.20, 407,816.10 and 131,477.40 is: 197,247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,834.20 : 407,816.10 = 131,477.40 : x
  2. Step 2: Convert to fraction form
    271,834.20/407,816.10 = 131,477.40/x
  3. Step 3: Cross multiply
    271,834.20x = 407,816.10 × 131,477.40
  4. Step 4: Simplify right side
    271,834.20x = 53,618,600,506.14
  5. Step 5: Solve for x
    x = 53,618,600,506.14/271,834.20
  6. Step 6: Final answer
    x = 197,247.44

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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.