Finding the Fourth Proportional to 220,413.87, 330,496.34 and 201,605.67
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Solution
The fourth proportional to 220,413.87, 330,496.34 and 201,605.67 is: 302,294.66
Step by Step Solution
- Step 1: Write the proportion equation
220,413.87 : 330,496.34 = 201,605.67 : x - Step 2: Convert to fraction form
220,413.87/330,496.34 = 201,605.67/x - Step 3: Cross multiply
220,413.87x = 330,496.34 × 201,605.67 - Step 4: Simplify right side
220,413.87x = 66,629,935,050.22 - Step 5: Solve for x
x = 66,629,935,050.22/220,413.87 - Step 6: Final answer
x = 302,294.66
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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.