Finding the Fourth Proportional to 206,365.44, 284,825.15 and 133,858.19
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Solution
The fourth proportional to 206,365.44, 284,825.15 and 133,858.19 is: 184,750.79
Step by Step Solution
- Step 1: Write the proportion equation
206,365.44 : 284,825.15 = 133,858.19 : x - Step 2: Convert to fraction form
206,365.44/284,825.15 = 133,858.19/x - Step 3: Cross multiply
206,365.44x = 284,825.15 × 133,858.19 - Step 4: Simplify right side
206,365.44x = 38,126,178,668.06 - Step 5: Solve for x
x = 38,126,178,668.06/206,365.44 - Step 6: Final answer
x = 184,750.79
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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.