Home / 271,424.20-407,136.30-121,505.35

Finding the Fourth Proportional to 271,424.20, 407,136.30 and 121,505.35

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Solution

The fourth proportional to 271,424.20, 407,136.30 and 121,505.35 is: 182,258.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,424.20 : 407,136.30 = 121,505.35 : x
  2. Step 2: Convert to fraction form
    271,424.20/407,136.30 = 121,505.35/x
  3. Step 3: Cross multiply
    271,424.20x = 407,136.30 × 121,505.35
  4. Step 4: Simplify right side
    271,424.20x = 49,469,238,629.21
  5. Step 5: Solve for x
    x = 49,469,238,629.21/271,424.20
  6. Step 6: Final answer
    x = 182,258.03

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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.