Home / 306,233.37-422,621.19-170,297.73

Finding the Fourth Proportional to 306,233.37, 422,621.19 and 170,297.73

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Solution

The fourth proportional to 306,233.37, 422,621.19 and 170,297.73 is: 235,021.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,233.37 : 422,621.19 = 170,297.73 : x
  2. Step 2: Convert to fraction form
    306,233.37/422,621.19 = 170,297.73/x
  3. Step 3: Cross multiply
    306,233.37x = 422,621.19 × 170,297.73
  4. Step 4: Simplify right side
    306,233.37x = 71,971,429,306.90
  5. Step 5: Solve for x
    x = 71,971,429,306.90/306,233.37
  6. Step 6: Final answer
    x = 235,021.51

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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.