Finding the Fourth Proportional to 285,553.49, 394,063.69 and 170,836.99
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Solution
The fourth proportional to 285,553.49, 394,063.69 and 170,836.99 is: 235,754.97
Step by Step Solution
- Step 1: Write the proportion equation
285,553.49 : 394,063.69 = 170,836.99 : x - Step 2: Convert to fraction form
285,553.49/394,063.69 = 170,836.99/x - Step 3: Cross multiply
285,553.49x = 394,063.69 × 170,836.99 - Step 4: Simplify right side
285,553.49x = 67,320,654,667.89 - Step 5: Solve for x
x = 67,320,654,667.89/285,553.49 - Step 6: Final answer
x = 235,754.97
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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.