Home / 329,630.20-494,445.30-163,742.20

Finding the Fourth Proportional to 329,630.20, 494,445.30 and 163,742.20

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Solution

The fourth proportional to 329,630.20, 494,445.30 and 163,742.20 is: 245,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,630.20 : 494,445.30 = 163,742.20 : x
  2. Step 2: Convert to fraction form
    329,630.20/494,445.30 = 163,742.20/x
  3. Step 3: Cross multiply
    329,630.20x = 494,445.30 × 163,742.20
  4. Step 4: Simplify right side
    329,630.20x = 80,961,561,201.66
  5. Step 5: Solve for x
    x = 80,961,561,201.66/329,630.20
  6. Step 6: Final answer
    x = 245,613.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.