Finding the Fourth Proportional to 201,183.62, 301,622.99 and 100,022.99
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Solution
The fourth proportional to 201,183.62, 301,622.99 and 100,022.99 is: 149,958.69
Step by Step Solution
- Step 1: Write the proportion equation
201,183.62 : 301,622.99 = 100,022.99 : x - Step 2: Convert to fraction form
201,183.62/301,622.99 = 100,022.99/x - Step 3: Cross multiply
201,183.62x = 301,622.99 × 100,022.99 - Step 4: Simplify right side
201,183.62x = 30,169,231,304.31 - Step 5: Solve for x
x = 30,169,231,304.31/201,183.62 - Step 6: Final answer
x = 149,958.69
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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.