Finding the Fourth Proportional to 366,859.26, 550,326.60 and 126,972.69
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Solution
The fourth proportional to 366,859.26, 550,326.60 and 126,972.69 is: 190,472.09
Step by Step Solution
- Step 1: Write the proportion equation
366,859.26 : 550,326.60 = 126,972.69 : x - Step 2: Convert to fraction form
366,859.26/550,326.60 = 126,972.69/x - Step 3: Cross multiply
366,859.26x = 550,326.60 × 126,972.69 - Step 4: Simplify right side
366,859.26x = 69,876,448,780.55 - Step 5: Solve for x
x = 69,876,448,780.55/366,859.26 - Step 6: Final answer
x = 190,472.09
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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.