Home / 306,210.44-422,584.48-170,258.34

Finding the Fourth Proportional to 306,210.44, 422,584.48 and 170,258.34

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Solution

The fourth proportional to 306,210.44, 422,584.48 and 170,258.34 is: 234,964.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,210.44 : 422,584.48 = 170,258.34 : x
  2. Step 2: Convert to fraction form
    306,210.44/422,584.48 = 170,258.34/x
  3. Step 3: Cross multiply
    306,210.44x = 422,584.48 × 170,258.34
  4. Step 4: Simplify right side
    306,210.44x = 71,948,532,074.56
  5. Step 5: Solve for x
    x = 71,948,532,074.56/306,210.44
  6. Step 6: Final answer
    x = 234,964.33

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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.