Finding the Fourth Proportional to 329,112.26, 493,668.40 and 79,794.26
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Solution
The fourth proportional to 329,112.26, 493,668.40 and 79,794.26 is: 119,691.39
Step by Step Solution
- Step 1: Write the proportion equation
329,112.26 : 493,668.40 = 79,794.26 : x - Step 2: Convert to fraction form
329,112.26/493,668.40 = 79,794.26/x - Step 3: Cross multiply
329,112.26x = 493,668.40 × 79,794.26 - Step 4: Simplify right side
329,112.26x = 39,391,904,663.38 - Step 5: Solve for x
x = 39,391,904,663.38/329,112.26 - Step 6: Final answer
x = 119,691.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.