Finding the Fourth Proportional to 202,028.13, 303,043.71 and 89,678.14
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Solution
The fourth proportional to 202,028.13, 303,043.71 and 89,678.14 is: 134,517.88
Step by Step Solution
- Step 1: Write the proportion equation
202,028.13 : 303,043.71 = 89,678.14 : x - Step 2: Convert to fraction form
202,028.13/303,043.71 = 89,678.14/x - Step 3: Cross multiply
202,028.13x = 303,043.71 × 89,678.14 - Step 4: Simplify right side
202,028.13x = 27,176,396,251.50 - Step 5: Solve for x
x = 27,176,396,251.50/202,028.13 - Step 6: Final answer
x = 134,517.88
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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.