Home / 271,845.10-407,366.70-197,122.60

Finding the Fourth Proportional to 271,845.10, 407,366.70 and 197,122.60

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Solution

The fourth proportional to 271,845.10, 407,366.70 and 197,122.60 is: 295,393.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,845.10 : 407,366.70 = 197,122.60 : x
  2. Step 2: Convert to fraction form
    271,845.10/407,366.70 = 197,122.60/x
  3. Step 3: Cross multiply
    271,845.10x = 407,366.70 × 197,122.60
  4. Step 4: Simplify right side
    271,845.10x = 80,301,183,057.42
  5. Step 5: Solve for x
    x = 80,301,183,057.42/271,845.10
  6. Step 6: Final answer
    x = 295,393.16

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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.