Finding the Fourth Proportional to 202,163.10, 303,244.65 and 192,321.60
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Solution
The fourth proportional to 202,163.10, 303,244.65 and 192,321.60 is: 288,482.40
Step by Step Solution
- Step 1: Write the proportion equation
202,163.10 : 303,244.65 = 192,321.60 : x - Step 2: Convert to fraction form
202,163.10/303,244.65 = 192,321.60/x - Step 3: Cross multiply
202,163.10x = 303,244.65 × 192,321.60 - Step 4: Simplify right side
202,163.10x = 58,320,496,279.44 - Step 5: Solve for x
x = 58,320,496,279.44/202,163.10 - Step 6: Final answer
x = 288,482.40
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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.