Finding the Fourth Proportional to 543,608.19, 750,198.26 and 301,894.79
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Solution
The fourth proportional to 543,608.19, 750,198.26 and 301,894.79 is: 416,625.33
Step by Step Solution
- Step 1: Write the proportion equation
543,608.19 : 750,198.26 = 301,894.79 : x - Step 2: Convert to fraction form
543,608.19/750,198.26 = 301,894.79/x - Step 3: Cross multiply
543,608.19x = 750,198.26 × 301,894.79 - Step 4: Simplify right side
543,608.19x = 226,480,940,900.60 - Step 5: Solve for x
x = 226,480,940,900.60/543,608.19 - Step 6: Final answer
x = 416,625.33
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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.