Finding the Fourth Proportional to 202,819.20, 303,645.60 and 124,087.20
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Solution
The fourth proportional to 202,819.20, 303,645.60 and 124,087.20 is: 185,773.99
Step by Step Solution
- Step 1: Write the proportion equation
202,819.20 : 303,645.60 = 124,087.20 : x - Step 2: Convert to fraction form
202,819.20/303,645.60 = 124,087.20/x - Step 3: Cross multiply
202,819.20x = 303,645.60 × 124,087.20 - Step 4: Simplify right side
202,819.20x = 37,678,532,296.32 - Step 5: Solve for x
x = 37,678,532,296.32/202,819.20 - Step 6: Final answer
x = 185,773.99
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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.