Home / 271,588.34-374,689.04-200,138.78

Finding the Fourth Proportional to 271,588.34, 374,689.04 and 200,138.78

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Solution

The fourth proportional to 271,588.34, 374,689.04 and 200,138.78 is: 276,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,588.34 : 374,689.04 = 200,138.78 : x
  2. Step 2: Convert to fraction form
    271,588.34/374,689.04 = 200,138.78/x
  3. Step 3: Cross multiply
    271,588.34x = 374,689.04 × 200,138.78
  4. Step 4: Simplify right side
    271,588.34x = 74,989,807,344.97
  5. Step 5: Solve for x
    x = 74,989,807,344.97/271,588.34
  6. Step 6: Final answer
    x = 276,115.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.