Finding the Fourth Proportional to 202,657.38, 303,939.81 and 76,310.94
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Solution
The fourth proportional to 202,657.38, 303,939.81 and 76,310.94 is: 114,448.99
Step by Step Solution
- Step 1: Write the proportion equation
202,657.38 : 303,939.81 = 76,310.94 : x - Step 2: Convert to fraction form
202,657.38/303,939.81 = 76,310.94/x - Step 3: Cross multiply
202,657.38x = 303,939.81 × 76,310.94 - Step 4: Simplify right side
202,657.38x = 23,193,932,604.52 - Step 5: Solve for x
x = 23,193,932,604.52/202,657.38 - Step 6: Final answer
x = 114,448.99
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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.