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Finding the Fourth Proportional to 271,622.87, 374,834.22 and 150,765.61

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Solution

The fourth proportional to 271,622.87, 374,834.22 and 150,765.61 is: 208,053.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,622.87 : 374,834.22 = 150,765.61 : x
  2. Step 2: Convert to fraction form
    271,622.87/374,834.22 = 150,765.61/x
  3. Step 3: Cross multiply
    271,622.87x = 374,834.22 × 150,765.61
  4. Step 4: Simplify right side
    271,622.87x = 56,512,107,953.00
  5. Step 5: Solve for x
    x = 56,512,107,953.00/271,622.87
  6. Step 6: Final answer
    x = 208,053.57

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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.