Finding the Fourth Proportional to 202,380.40, 303,607.05 and 84,063.70
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Solution
The fourth proportional to 202,380.40, 303,607.05 and 84,063.70 is: 126,110.69
Step by Step Solution
- Step 1: Write the proportion equation
202,380.40 : 303,607.05 = 84,063.70 : x - Step 2: Convert to fraction form
202,380.40/303,607.05 = 84,063.70/x - Step 3: Cross multiply
202,380.40x = 303,607.05 × 84,063.70 - Step 4: Simplify right side
202,380.40x = 25,522,331,969.09 - Step 5: Solve for x
x = 25,522,331,969.09/202,380.40 - Step 6: Final answer
x = 126,110.69
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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.