Finding the Fourth Proportional to 202,198.70, 303,419.55 and 83,857.70
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Solution
The fourth proportional to 202,198.70, 303,419.55 and 83,857.70 is: 125,836.94
Step by Step Solution
- Step 1: Write the proportion equation
202,198.70 : 303,419.55 = 83,857.70 : x - Step 2: Convert to fraction form
202,198.70/303,419.55 = 83,857.70/x - Step 3: Cross multiply
202,198.70x = 303,419.55 × 83,857.70 - Step 4: Simplify right side
202,198.70x = 25,444,065,598.04 - Step 5: Solve for x
x = 25,444,065,598.04/202,198.70 - Step 6: Final answer
x = 125,836.94
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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.