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Finding the Fourth Proportional to 271,369.09, 374,056.78 and 213,914.78

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Solution

The fourth proportional to 271,369.09, 374,056.78 and 213,914.78 is: 294,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,369.09 : 374,056.78 = 213,914.78 : x
  2. Step 2: Convert to fraction form
    271,369.09/374,056.78 = 213,914.78/x
  3. Step 3: Cross multiply
    271,369.09x = 374,056.78 × 213,914.78
  4. Step 4: Simplify right side
    271,369.09x = 80,016,273,801.21
  5. Step 5: Solve for x
    x = 80,016,273,801.21/271,369.09
  6. Step 6: Final answer
    x = 294,861.41

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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.