Home / 248,717.68-343,229.80-135,540.24

Finding the Fourth Proportional to 248,717.68, 343,229.80 and 135,540.24

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Solution

The fourth proportional to 248,717.68, 343,229.80 and 135,540.24 is: 187,045.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,717.68 : 343,229.80 = 135,540.24 : x
  2. Step 2: Convert to fraction form
    248,717.68/343,229.80 = 135,540.24/x
  3. Step 3: Cross multiply
    248,717.68x = 343,229.80 × 135,540.24
  4. Step 4: Simplify right side
    248,717.68x = 46,521,449,467.15
  5. Step 5: Solve for x
    x = 46,521,449,467.15/248,717.68
  6. Step 6: Final answer
    x = 187,045.21

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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.