Finding the Fourth Proportional to 135,286.43, 202,914.09 and 35,454.49
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Solution
The fourth proportional to 135,286.43, 202,914.09 and 35,454.49 is: 53,177.66
Step by Step Solution
- Step 1: Write the proportion equation
135,286.43 : 202,914.09 = 35,454.49 : x - Step 2: Convert to fraction form
135,286.43/202,914.09 = 35,454.49/x - Step 3: Cross multiply
135,286.43x = 202,914.09 × 35,454.49 - Step 4: Simplify right side
135,286.43x = 7,194,215,574.76 - Step 5: Solve for x
x = 7,194,215,574.76/135,286.43 - Step 6: Final answer
x = 53,177.66
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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.