Finding the Fourth Proportional to 202,396.80, 303,595.20 and 84,007.20
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Solution
The fourth proportional to 202,396.80, 303,595.20 and 84,007.20 is: 126,010.80
Step by Step Solution
- Step 1: Write the proportion equation
202,396.80 : 303,595.20 = 84,007.20 : x - Step 2: Convert to fraction form
202,396.80/303,595.20 = 84,007.20/x - Step 3: Cross multiply
202,396.80x = 303,595.20 × 84,007.20 - Step 4: Simplify right side
202,396.80x = 25,504,182,685.44 - Step 5: Solve for x
x = 25,504,182,685.44/202,396.80 - Step 6: Final answer
x = 126,010.80
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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.