Home / 271,738.09-407,693.25-211,971.48

Finding the Fourth Proportional to 271,738.09, 407,693.25 and 211,971.48

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Solution

The fourth proportional to 271,738.09, 407,693.25 and 211,971.48 is: 318,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,738.09 : 407,693.25 = 211,971.48 : x
  2. Step 2: Convert to fraction form
    271,738.09/407,693.25 = 211,971.48/x
  3. Step 3: Cross multiply
    271,738.09x = 407,693.25 × 211,971.48
  4. Step 4: Simplify right side
    271,738.09x = 86,419,342,352.93
  5. Step 5: Solve for x
    x = 86,419,342,352.93/271,738.09
  6. Step 6: Final answer
    x = 318,024.40

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1.5x scale

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.