Home / 306,010.82-422,286.47-170,041.25

Finding the Fourth Proportional to 306,010.82, 422,286.47 and 170,041.25

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Solution

The fourth proportional to 306,010.82, 422,286.47 and 170,041.25 is: 234,652.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,010.82 : 422,286.47 = 170,041.25 : x
  2. Step 2: Convert to fraction form
    306,010.82/422,286.47 = 170,041.25/x
  3. Step 3: Cross multiply
    306,010.82x = 422,286.47 × 170,041.25
  4. Step 4: Simplify right side
    306,010.82x = 71,806,117,530.56
  5. Step 5: Solve for x
    x = 71,806,117,530.56/306,010.82
  6. Step 6: Final answer
    x = 234,652.22

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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.