Finding the Fourth Proportional to 206,841.96, 285,475.79 and 172,331.99
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Solution
The fourth proportional to 206,841.96, 285,475.79 and 172,331.99 is: 237,846.37
Step by Step Solution
- Step 1: Write the proportion equation
206,841.96 : 285,475.79 = 172,331.99 : x - Step 2: Convert to fraction form
206,841.96/285,475.79 = 172,331.99/x - Step 3: Cross multiply
206,841.96x = 285,475.79 × 172,331.99 - Step 4: Simplify right side
206,841.96x = 49,196,608,698.48 - Step 5: Solve for x
x = 49,196,608,698.48/206,841.96 - Step 6: Final answer
x = 237,846.37
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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.