Home / 664,864.19-997,296.30-166,228.19

Finding the Fourth Proportional to 664,864.19, 997,296.30 and 166,228.19

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Solution

The fourth proportional to 664,864.19, 997,296.30 and 166,228.19 is: 249,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,864.19 : 997,296.30 = 166,228.19 : x
  2. Step 2: Convert to fraction form
    664,864.19/997,296.30 = 166,228.19/x
  3. Step 3: Cross multiply
    664,864.19x = 997,296.30 × 166,228.19
  4. Step 4: Simplify right side
    664,864.19x = 165,778,758,842.70
  5. Step 5: Solve for x
    x = 165,778,758,842.70/664,864.19
  6. Step 6: Final answer
    x = 249,342.29

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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.