Finding the Fourth Proportional to 326,958.93, 451,043.24 and 199,413.09
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Solution
The fourth proportional to 326,958.93, 451,043.24 and 199,413.09 is: 275,092.43
Step by Step Solution
- Step 1: Write the proportion equation
326,958.93 : 451,043.24 = 199,413.09 : x - Step 2: Convert to fraction form
326,958.93/451,043.24 = 199,413.09/x - Step 3: Cross multiply
326,958.93x = 451,043.24 × 199,413.09 - Step 4: Simplify right side
326,958.93x = 89,943,925,214.95 - Step 5: Solve for x
x = 89,943,925,214.95/326,958.93 - Step 6: Final answer
x = 275,092.43
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1.5x scale
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.