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Finding the Fourth Proportional to 271,495.88, 374,884.44 and 169,640

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Solution

The fourth proportional to 271,495.88, 374,884.44 and 169,640 is: 234,240.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,495.88 : 374,884.44 = 169,640 : x
  2. Step 2: Convert to fraction form
    271,495.88/374,884.44 = 169,640/x
  3. Step 3: Cross multiply
    271,495.88x = 374,884.44 × 169,640
  4. Step 4: Simplify right side
    271,495.88x = 63,595,396,401.60
  5. Step 5: Solve for x
    x = 63,595,396,401.60/271,495.88
  6. Step 6: Final answer
    x = 234,240.74

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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.