Home / 306,193.58-422,523.20-170,219.25

Finding the Fourth Proportional to 306,193.58, 422,523.20 and 170,219.25

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Solution

The fourth proportional to 306,193.58, 422,523.20 and 170,219.25 is: 234,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,193.58 : 422,523.20 = 170,219.25 : x
  2. Step 2: Convert to fraction form
    306,193.58/422,523.20 = 170,219.25/x
  3. Step 3: Cross multiply
    306,193.58x = 422,523.20 × 170,219.25
  4. Step 4: Simplify right side
    306,193.58x = 71,921,580,098.98
  5. Step 5: Solve for x
    x = 71,921,580,098.98/306,193.58
  6. Step 6: Final answer
    x = 234,889.25

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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.