Finding the Fourth Proportional to 135,713.25, 203,571.18 and 51,450.75
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Solution
The fourth proportional to 135,713.25, 203,571.18 and 51,450.75 is: 77,176.62
Step by Step Solution
- Step 1: Write the proportion equation
135,713.25 : 203,571.18 = 51,450.75 : x - Step 2: Convert to fraction form
135,713.25/203,571.18 = 51,450.75/x - Step 3: Cross multiply
135,713.25x = 203,571.18 × 51,450.75 - Step 4: Simplify right side
135,713.25x = 10,473,889,889.39 - Step 5: Solve for x
x = 10,473,889,889.39/135,713.25 - Step 6: Final answer
x = 77,176.62
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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.