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Finding the Fourth Proportional to 271,276, 374,365.39 and 150,422.38

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Solution

The fourth proportional to 271,276, 374,365.39 and 150,422.38 is: 207,585.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,276 : 374,365.39 = 150,422.38 : x
  2. Step 2: Convert to fraction form
    271,276/374,365.39 = 150,422.38/x
  3. Step 3: Cross multiply
    271,276x = 374,365.39 × 150,422.38
  4. Step 4: Simplify right side
    271,276x = 56,312,932,953.43
  5. Step 5: Solve for x
    x = 56,312,932,953.43/271,276
  6. Step 6: Final answer
    x = 207,585.39

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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.