Home / 271,286.37-374,453.15-163,838.25

Finding the Fourth Proportional to 271,286.37, 374,453.15 and 163,838.25

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Solution

The fourth proportional to 271,286.37, 374,453.15 and 163,838.25 is: 226,143.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,286.37 : 374,453.15 = 163,838.25 : x
  2. Step 2: Convert to fraction form
    271,286.37/374,453.15 = 163,838.25/x
  3. Step 3: Cross multiply
    271,286.37x = 374,453.15 × 163,838.25
  4. Step 4: Simplify right side
    271,286.37x = 61,349,747,983.80
  5. Step 5: Solve for x
    x = 61,349,747,983.80/271,286.37
  6. Step 6: Final answer
    x = 226,143.86

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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.