Finding the Fourth Proportional to 299,668.26, 413,554.79 and 172,343.97
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Solution
The fourth proportional to 299,668.26, 413,554.79 and 172,343.97 is: 237,841.92
Step by Step Solution
- Step 1: Write the proportion equation
299,668.26 : 413,554.79 = 172,343.97 : x - Step 2: Convert to fraction form
299,668.26/413,554.79 = 172,343.97/x - Step 3: Cross multiply
299,668.26x = 413,554.79 × 172,343.97 - Step 4: Simplify right side
299,668.26x = 71,273,674,321.12 - Step 5: Solve for x
x = 71,273,674,321.12/299,668.26 - Step 6: Final answer
x = 237,841.92
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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.