Finding the Fourth Proportional to 397,685.97, 548,625.15 and 236,449.26
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Solution
The fourth proportional to 397,685.97, 548,625.15 and 236,449.26 is: 326,192.07
Step by Step Solution
- Step 1: Write the proportion equation
397,685.97 : 548,625.15 = 236,449.26 : x - Step 2: Convert to fraction form
397,685.97/548,625.15 = 236,449.26/x - Step 3: Cross multiply
397,685.97x = 548,625.15 × 236,449.26 - Step 4: Simplify right side
397,685.97x = 129,722,010,734.89 - Step 5: Solve for x
x = 129,722,010,734.89/397,685.97 - Step 6: Final answer
x = 326,192.07
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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.