Home / 392,922.30-589,383.45-108,612.30

Finding the Fourth Proportional to 392,922.30, 589,383.45 and 108,612.30

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Solution

The fourth proportional to 392,922.30, 589,383.45 and 108,612.30 is: 162,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,922.30 : 589,383.45 = 108,612.30 : x
  2. Step 2: Convert to fraction form
    392,922.30/589,383.45 = 108,612.30/x
  3. Step 3: Cross multiply
    392,922.30x = 589,383.45 × 108,612.30
  4. Step 4: Simplify right side
    392,922.30x = 64,014,292,086.44
  5. Step 5: Solve for x
    x = 64,014,292,086.44/392,922.30
  6. Step 6: Final answer
    x = 162,918.45

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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.