Finding the Fourth Proportional to 202,940.74, 304,413.17 and 90,626.68
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Solution
The fourth proportional to 202,940.74, 304,413.17 and 90,626.68 is: 135,940.94
Step by Step Solution
- Step 1: Write the proportion equation
202,940.74 : 304,413.17 = 90,626.68 : x - Step 2: Convert to fraction form
202,940.74/304,413.17 = 90,626.68/x - Step 3: Cross multiply
202,940.74x = 304,413.17 × 90,626.68 - Step 4: Simplify right side
202,940.74x = 27,587,954,492.24 - Step 5: Solve for x
x = 27,587,954,492.24/202,940.74 - Step 6: Final answer
x = 135,940.94
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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.