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Finding the Fourth Proportional to 664,860.88, 997,291.32 and 166,224.88

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Solution

The fourth proportional to 664,860.88, 997,291.32 and 166,224.88 is: 249,337.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,860.88 : 997,291.32 = 166,224.88 : x
  2. Step 2: Convert to fraction form
    664,860.88/997,291.32 = 166,224.88/x
  3. Step 3: Cross multiply
    664,860.88x = 997,291.32 × 166,224.88
  4. Step 4: Simplify right side
    664,860.88x = 165,774,624,174.46
  5. Step 5: Solve for x
    x = 165,774,624,174.46/664,860.88
  6. Step 6: Final answer
    x = 249,337.31

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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.