Finding the Fourth Proportional to 202,207.20, 303,310.80 and 198,270.60
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Solution
The fourth proportional to 202,207.20, 303,310.80 and 198,270.60 is: 297,405.90
Step by Step Solution
- Step 1: Write the proportion equation
202,207.20 : 303,310.80 = 198,270.60 : x - Step 2: Convert to fraction form
202,207.20/303,310.80 = 198,270.60/x - Step 3: Cross multiply
202,207.20x = 303,310.80 × 198,270.60 - Step 4: Simplify right side
202,207.20x = 60,137,614,302.48 - Step 5: Solve for x
x = 60,137,614,302.48/202,207.20 - Step 6: Final answer
x = 297,405.90
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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.