Finding the Fourth Proportional to 542,413.69, 813,431.79 and 222,474.70
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Solution
The fourth proportional to 542,413.69, 813,431.79 and 222,474.70 is: 333,634.63
Step by Step Solution
- Step 1: Write the proportion equation
542,413.69 : 813,431.79 = 222,474.70 : x - Step 2: Convert to fraction form
542,413.69/813,431.79 = 222,474.70/x - Step 3: Cross multiply
542,413.69x = 813,431.79 × 222,474.70 - Step 4: Simplify right side
542,413.69x = 180,967,993,450.71 - Step 5: Solve for x
x = 180,967,993,450.71/542,413.69 - Step 6: Final answer
x = 333,634.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.