Home / 306,207.44-422,580.33-170,255.35

Finding the Fourth Proportional to 306,207.44, 422,580.33 and 170,255.35

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Solution

The fourth proportional to 306,207.44, 422,580.33 and 170,255.35 is: 234,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,207.44 : 422,580.33 = 170,255.35 : x
  2. Step 2: Convert to fraction form
    306,207.44/422,580.33 = 170,255.35/x
  3. Step 3: Cross multiply
    306,207.44x = 422,580.33 × 170,255.35
  4. Step 4: Simplify right side
    306,207.44x = 71,946,559,023.09
  5. Step 5: Solve for x
    x = 71,946,559,023.09/306,207.44
  6. Step 6: Final answer
    x = 234,960.20

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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.