Finding the Fourth Proportional to 235,244.20, 324,531.18 and 158,738.08
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Solution
The fourth proportional to 235,244.20, 324,531.18 and 158,738.08 is: 218,987.15
Step by Step Solution
- Step 1: Write the proportion equation
235,244.20 : 324,531.18 = 158,738.08 : x - Step 2: Convert to fraction form
235,244.20/324,531.18 = 158,738.08/x - Step 3: Cross multiply
235,244.20x = 324,531.18 × 158,738.08 - Step 4: Simplify right side
235,244.20x = 51,515,456,413.33 - Step 5: Solve for x
x = 51,515,456,413.33/235,244.20 - Step 6: Final answer
x = 218,987.15
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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.