Finding the Fourth Proportional to 202,208.10, 303,312.15 and 199,583.70
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Solution
The fourth proportional to 202,208.10, 303,312.15 and 199,583.70 is: 299,375.55
Step by Step Solution
- Step 1: Write the proportion equation
202,208.10 : 303,312.15 = 199,583.70 : x - Step 2: Convert to fraction form
202,208.10/303,312.15 = 199,583.70/x - Step 3: Cross multiply
202,208.10x = 303,312.15 × 199,583.70 - Step 4: Simplify right side
202,208.10x = 60,536,161,151.96 - Step 5: Solve for x
x = 60,536,161,151.96/202,208.10 - Step 6: Final answer
x = 299,375.55
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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.