Finding the Fourth Proportional to 206,151.42, 284,524.47 and 121,272.06
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Solution
The fourth proportional to 206,151.42, 284,524.47 and 121,272.06 is: 167,376.33
Step by Step Solution
- Step 1: Write the proportion equation
206,151.42 : 284,524.47 = 121,272.06 : x - Step 2: Convert to fraction form
206,151.42/284,524.47 = 121,272.06/x - Step 3: Cross multiply
206,151.42x = 284,524.47 × 121,272.06 - Step 4: Simplify right side
206,151.42x = 34,504,868,597.31 - Step 5: Solve for x
x = 34,504,868,597.31/206,151.42 - Step 6: Final answer
x = 167,376.33
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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.