Finding the Fourth Proportional to 206,397.42, 284,859.57 and 125,871.66
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Solution
The fourth proportional to 206,397.42, 284,859.57 and 125,871.66 is: 173,721.88
Step by Step Solution
- Step 1: Write the proportion equation
206,397.42 : 284,859.57 = 125,871.66 : x - Step 2: Convert to fraction form
206,397.42/284,859.57 = 125,871.66/x - Step 3: Cross multiply
206,397.42x = 284,859.57 × 125,871.66 - Step 4: Simplify right side
206,397.42x = 35,855,746,942.79 - Step 5: Solve for x
x = 35,855,746,942.79/206,397.42 - Step 6: Final answer
x = 173,721.88
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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.