Finding the Fourth Proportional to 202,163.70, 303,245.55 and 199,053.30
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Solution
The fourth proportional to 202,163.70, 303,245.55 and 199,053.30 is: 298,579.95
Step by Step Solution
- Step 1: Write the proportion equation
202,163.70 : 303,245.55 = 199,053.30 : x - Step 2: Convert to fraction form
202,163.70/303,245.55 = 199,053.30/x - Step 3: Cross multiply
202,163.70x = 303,245.55 × 199,053.30 - Step 4: Simplify right side
202,163.70x = 60,362,027,437.82 - Step 5: Solve for x
x = 60,362,027,437.82/202,163.70 - Step 6: Final answer
x = 298,579.95
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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.