Home / 306,101.44-422,399.52-170,126.56

Finding the Fourth Proportional to 306,101.44, 422,399.52 and 170,126.56

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Solution

The fourth proportional to 306,101.44, 422,399.52 and 170,126.56 is: 234,763.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,101.44 : 422,399.52 = 170,126.56 : x
  2. Step 2: Convert to fraction form
    306,101.44/422,399.52 = 170,126.56/x
  3. Step 3: Cross multiply
    306,101.44x = 422,399.52 × 170,126.56
  4. Step 4: Simplify right side
    306,101.44x = 71,861,377,283.25
  5. Step 5: Solve for x
    x = 71,861,377,283.25/306,101.44
  6. Step 6: Final answer
    x = 234,763.28

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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.