Finding the Fourth Proportional to 363,690.05, 501,907.83 and 202,545.09
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Solution
The fourth proportional to 363,690.05, 501,907.83 and 202,545.09 is: 279,520.90
Step by Step Solution
- Step 1: Write the proportion equation
363,690.05 : 501,907.83 = 202,545.09 : x - Step 2: Convert to fraction form
363,690.05/501,907.83 = 202,545.09/x - Step 3: Cross multiply
363,690.05x = 501,907.83 × 202,545.09 - Step 4: Simplify right side
363,690.05x = 101,658,969,665.91 - Step 5: Solve for x
x = 101,658,969,665.91/363,690.05 - Step 6: Final answer
x = 279,520.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.