Finding the Fourth Proportional to 202,575.80, 303,863.70 and 136,047.80
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Solution
The fourth proportional to 202,575.80, 303,863.70 and 136,047.80 is: 204,071.70
Step by Step Solution
- Step 1: Write the proportion equation
202,575.80 : 303,863.70 = 136,047.80 : x - Step 2: Convert to fraction form
202,575.80/303,863.70 = 136,047.80/x - Step 3: Cross multiply
202,575.80x = 303,863.70 × 136,047.80 - Step 4: Simplify right side
202,575.80x = 41,339,987,884.86 - Step 5: Solve for x
x = 41,339,987,884.86/202,575.80 - Step 6: Final answer
x = 204,071.70
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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.