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Finding the Fourth Proportional to 271,179.96, 374,204.84 and 154,892.87

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Solution

The fourth proportional to 271,179.96, 374,204.84 and 154,892.87 is: 213,738.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,179.96 : 374,204.84 = 154,892.87 : x
  2. Step 2: Convert to fraction form
    271,179.96/374,204.84 = 154,892.87/x
  3. Step 3: Cross multiply
    271,179.96x = 374,204.84 × 154,892.87
  4. Step 4: Simplify right side
    271,179.96x = 57,961,661,635.49
  5. Step 5: Solve for x
    x = 57,961,661,635.49/271,179.96
  6. Step 6: Final answer
    x = 213,738.74

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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.