Finding the Fourth Proportional to 202,431.75, 303,440.27 and 84,171.75
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Solution
The fourth proportional to 202,431.75, 303,440.27 and 84,171.75 is: 126,171.40
Step by Step Solution
- Step 1: Write the proportion equation
202,431.75 : 303,440.27 = 84,171.75 : x - Step 2: Convert to fraction form
202,431.75/303,440.27 = 84,171.75/x - Step 3: Cross multiply
202,431.75x = 303,440.27 × 84,171.75 - Step 4: Simplify right side
202,431.75x = 25,541,098,125.51 - Step 5: Solve for x
x = 25,541,098,125.51/202,431.75 - Step 6: Final answer
x = 126,171.40
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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.