Home / 664,865.25-997,297.88-166,229.25

Finding the Fourth Proportional to 664,865.25, 997,297.88 and 166,229.25

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Solution

The fourth proportional to 664,865.25, 997,297.88 and 166,229.25 is: 249,343.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,865.25 : 997,297.88 = 166,229.25 : x
  2. Step 2: Convert to fraction form
    664,865.25/997,297.88 = 166,229.25/x
  3. Step 3: Cross multiply
    664,865.25x = 997,297.88 × 166,229.25
  4. Step 4: Simplify right side
    664,865.25x = 165,780,078,618.99
  5. Step 5: Solve for x
    x = 165,780,078,618.99/664,865.25
  6. Step 6: Final answer
    x = 249,343.88

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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.