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Finding the Fourth Proportional to 271,274.96, 374,381.96 and 150,455.16

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Solution

The fourth proportional to 271,274.96, 374,381.96 and 150,455.16 is: 207,640.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,274.96 : 374,381.96 = 150,455.16 : x
  2. Step 2: Convert to fraction form
    271,274.96/374,381.96 = 150,455.16/x
  3. Step 3: Cross multiply
    271,274.96x = 374,381.96 × 150,455.16
  4. Step 4: Simplify right side
    271,274.96x = 56,327,697,692.91
  5. Step 5: Solve for x
    x = 56,327,697,692.91/271,274.96
  6. Step 6: Final answer
    x = 207,640.61

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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.