Finding the Fourth Proportional to 226,413.40, 339,620.10 and 207,059.80
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Solution
The fourth proportional to 226,413.40, 339,620.10 and 207,059.80 is: 310,589.70
Step by Step Solution
- Step 1: Write the proportion equation
226,413.40 : 339,620.10 = 207,059.80 : x - Step 2: Convert to fraction form
226,413.40/339,620.10 = 207,059.80/x - Step 3: Cross multiply
226,413.40x = 339,620.10 × 207,059.80 - Step 4: Simplify right side
226,413.40x = 70,321,669,981.98 - Step 5: Solve for x
x = 70,321,669,981.98/226,413.40 - Step 6: Final answer
x = 310,589.70
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1.5x scale
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.