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Finding the Fourth Proportional to 271,276.94, 404,356.53 and 251,090.93

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Solution

The fourth proportional to 271,276.94, 404,356.53 and 251,090.93 is: 374,267.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,276.94 : 404,356.53 = 251,090.93 : x
  2. Step 2: Convert to fraction form
    271,276.94/404,356.53 = 251,090.93/x
  3. Step 3: Cross multiply
    271,276.94x = 404,356.53 × 251,090.93
  4. Step 4: Simplify right side
    271,276.94x = 101,530,257,169.27
  5. Step 5: Solve for x
    x = 101,530,257,169.27/271,276.94
  6. Step 6: Final answer
    x = 374,267.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.