Finding the Fourth Proportional to 202,396.40, 303,351.60 and 84,006.80
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Solution
The fourth proportional to 202,396.40, 303,351.60 and 84,006.80 is: 125,909.34
Step by Step Solution
- Step 1: Write the proportion equation
202,396.40 : 303,351.60 = 84,006.80 : x - Step 2: Convert to fraction form
202,396.40/303,351.60 = 84,006.80/x - Step 3: Cross multiply
202,396.40x = 303,351.60 × 84,006.80 - Step 4: Simplify right side
202,396.40x = 25,483,597,190.88 - Step 5: Solve for x
x = 25,483,597,190.88/202,396.40 - Step 6: Final answer
x = 125,909.34
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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.