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Finding the Fourth Proportional to 486,169.05, 729,253.54 and 131,183.06

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Solution

The fourth proportional to 486,169.05, 729,253.54 and 131,183.06 is: 196,774.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,169.05 : 729,253.54 = 131,183.06 : x
  2. Step 2: Convert to fraction form
    486,169.05/729,253.54 = 131,183.06/x
  3. Step 3: Cross multiply
    486,169.05x = 729,253.54 × 131,183.06
  4. Step 4: Simplify right side
    486,169.05x = 95,665,710,237.12
  5. Step 5: Solve for x
    x = 95,665,710,237.12/486,169.05
  6. Step 6: Final answer
    x = 196,774.58

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Similar ratio
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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.