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Finding the Fourth Proportional to 271,471.96, 374,649 and 156,755.44

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Solution

The fourth proportional to 271,471.96, 374,649 and 156,755.44 is: 216,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,471.96 : 374,649 = 156,755.44 : x
  2. Step 2: Convert to fraction form
    271,471.96/374,649 = 156,755.44/x
  3. Step 3: Cross multiply
    271,471.96x = 374,649 × 156,755.44
  4. Step 4: Simplify right side
    271,471.96x = 58,728,268,840.56
  5. Step 5: Solve for x
    x = 58,728,268,840.56/271,471.96
  6. Step 6: Final answer
    x = 216,332.72

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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.