Home / 306,208.44-422,581.71-170,256.35

Finding the Fourth Proportional to 306,208.44, 422,581.71 and 170,256.35

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Solution

The fourth proportional to 306,208.44, 422,581.71 and 170,256.35 is: 234,961.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,208.44 : 422,581.71 = 170,256.35 : x
  2. Step 2: Convert to fraction form
    306,208.44/422,581.71 = 170,256.35/x
  3. Step 3: Cross multiply
    306,208.44x = 422,581.71 × 170,256.35
  4. Step 4: Simplify right side
    306,208.44x = 71,947,217,408.45
  5. Step 5: Solve for x
    x = 71,947,217,408.45/306,208.44
  6. Step 6: Final answer
    x = 234,961.58

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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.