Finding the Fourth Proportional to 248,732.20, 343,249.14 and 135,553.96
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Solution
The fourth proportional to 248,732.20, 343,249.14 and 135,553.96 is: 187,063.76
Step by Step Solution
- Step 1: Write the proportion equation
248,732.20 : 343,249.14 = 135,553.96 : x - Step 2: Convert to fraction form
248,732.20/343,249.14 = 135,553.96/x - Step 3: Cross multiply
248,732.20x = 343,249.14 × 135,553.96 - Step 4: Simplify right side
248,732.20x = 46,528,780,193.59 - Step 5: Solve for x
x = 46,528,780,193.59/248,732.20 - Step 6: Final answer
x = 187,063.76
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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.