Home / 306,203.90-422,537.38-170,229.57

Finding the Fourth Proportional to 306,203.90, 422,537.38 and 170,229.57

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Solution

The fourth proportional to 306,203.90, 422,537.38 and 170,229.57 is: 234,903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,203.90 : 422,537.38 = 170,229.57 : x
  2. Step 2: Convert to fraction form
    306,203.90/422,537.38 = 170,229.57/x
  3. Step 3: Cross multiply
    306,203.90x = 422,537.38 × 170,229.57
  4. Step 4: Simplify right side
    306,203.90x = 71,928,354,496.24
  5. Step 5: Solve for x
    x = 71,928,354,496.24/306,203.90
  6. Step 6: Final answer
    x = 234,903.46

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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.