Finding the Fourth Proportional to 202,183.40, 302,837.70 and 131,324.60
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Solution
The fourth proportional to 202,183.40, 302,837.70 and 131,324.60 is: 196,702.79
Step by Step Solution
- Step 1: Write the proportion equation
202,183.40 : 302,837.70 = 131,324.60 : x - Step 2: Convert to fraction form
202,183.40/302,837.70 = 131,324.60/x - Step 3: Cross multiply
202,183.40x = 302,837.70 × 131,324.60 - Step 4: Simplify right side
202,183.40x = 39,770,039,817.42 - Step 5: Solve for x
x = 39,770,039,817.42/202,183.40 - Step 6: Final answer
x = 196,702.79
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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.