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Finding the Fourth Proportional to 271,053.60, 374,059.38 and 157,883.64

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Solution

The fourth proportional to 271,053.60, 374,059.38 and 157,883.64 is: 217,882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,053.60 : 374,059.38 = 157,883.64 : x
  2. Step 2: Convert to fraction form
    271,053.60/374,059.38 = 157,883.64/x
  3. Step 3: Cross multiply
    271,053.60x = 374,059.38 × 157,883.64
  4. Step 4: Simplify right side
    271,053.60x = 59,057,856,490.54
  5. Step 5: Solve for x
    x = 59,057,856,490.54/271,053.60
  6. Step 6: Final answer
    x = 217,882.58

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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.