Home / 664,872.18-997,308.20-166,236.18

Finding the Fourth Proportional to 664,872.18, 997,308.20 and 166,236.18

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Solution

The fourth proportional to 664,872.18, 997,308.20 and 166,236.18 is: 249,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,872.18 : 997,308.20 = 166,236.18 : x
  2. Step 2: Convert to fraction form
    664,872.18/997,308.20 = 166,236.18/x
  3. Step 3: Cross multiply
    664,872.18x = 997,308.20 × 166,236.18
  4. Step 4: Simplify right side
    664,872.18x = 165,788,705,450.68
  5. Step 5: Solve for x
    x = 165,788,705,450.68/664,872.18
  6. Step 6: Final answer
    x = 249,354.25

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Double scale
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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.