Finding the Fourth Proportional to 214,331.42, 321,514.61 and 107,660.49
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Solution
The fourth proportional to 214,331.42, 321,514.61 and 107,660.49 is: 161,499.52
Step by Step Solution
- Step 1: Write the proportion equation
214,331.42 : 321,514.61 = 107,660.49 : x - Step 2: Convert to fraction form
214,331.42/321,514.61 = 107,660.49/x - Step 3: Cross multiply
214,331.42x = 321,514.61 × 107,660.49 - Step 4: Simplify right side
214,331.42x = 34,614,419,916.46 - Step 5: Solve for x
x = 34,614,419,916.46/214,331.42 - Step 6: Final answer
x = 161,499.52
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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.