Finding the Fourth Proportional to 217,716.58, 300,481.68 and 132,882.94
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Solution
The fourth proportional to 217,716.58, 300,481.68 and 132,882.94 is: 183,398.48
Step by Step Solution
- Step 1: Write the proportion equation
217,716.58 : 300,481.68 = 132,882.94 : x - Step 2: Convert to fraction form
217,716.58/300,481.68 = 132,882.94/x - Step 3: Cross multiply
217,716.58x = 300,481.68 × 132,882.94 - Step 4: Simplify right side
217,716.58x = 39,928,889,054.54 - Step 5: Solve for x
x = 39,928,889,054.54/217,716.58 - Step 6: Final answer
x = 183,398.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.