Finding the Fourth Proportional to 202,358.20, 303,436.84 and 69,200.68
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Solution
The fourth proportional to 202,358.20, 303,436.84 and 69,200.68 is: 103,766.67
Step by Step Solution
- Step 1: Write the proportion equation
202,358.20 : 303,436.84 = 69,200.68 : x - Step 2: Convert to fraction form
202,358.20/303,436.84 = 69,200.68/x - Step 3: Cross multiply
202,358.20x = 303,436.84 × 69,200.68 - Step 4: Simplify right side
202,358.20x = 20,998,035,665.05 - Step 5: Solve for x
x = 20,998,035,665.05/202,358.20 - Step 6: Final answer
x = 103,766.67
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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.