Finding the Fourth Proportional to 326,336.25, 450,372.53 and 190,413.99
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Solution
The fourth proportional to 326,336.25, 450,372.53 and 190,413.99 is: 262,787.94
Step by Step Solution
- Step 1: Write the proportion equation
326,336.25 : 450,372.53 = 190,413.99 : x - Step 2: Convert to fraction form
326,336.25/450,372.53 = 190,413.99/x - Step 3: Cross multiply
326,336.25x = 450,372.53 × 190,413.99 - Step 4: Simplify right side
326,336.25x = 85,757,229,471.62 - Step 5: Solve for x
x = 85,757,229,471.62/326,336.25 - Step 6: Final answer
x = 262,787.94
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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.