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Finding the Fourth Proportional to 236,540, 326,438.52 and 135,944.48

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Solution

The fourth proportional to 236,540, 326,438.52 and 135,944.48 is: 187,611.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,540 : 326,438.52 = 135,944.48 : x
  2. Step 2: Convert to fraction form
    236,540/326,438.52 = 135,944.48/x
  3. Step 3: Cross multiply
    236,540x = 326,438.52 × 135,944.48
  4. Step 4: Simplify right side
    236,540x = 44,377,514,853.37
  5. Step 5: Solve for x
    x = 44,377,514,853.37/236,540
  6. Step 6: Final answer
    x = 187,611.04

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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.