Finding the Fourth Proportional to 186,708.18, 279,974.66 and 68,296.70
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Solution
The fourth proportional to 186,708.18, 279,974.66 and 68,296.70 is: 102,413.00
Step by Step Solution
- Step 1: Write the proportion equation
186,708.18 : 279,974.66 = 68,296.70 : x - Step 2: Convert to fraction form
186,708.18/279,974.66 = 68,296.70/x - Step 3: Cross multiply
186,708.18x = 279,974.66 × 68,296.70 - Step 4: Simplify right side
186,708.18x = 19,121,345,361.62 - Step 5: Solve for x
x = 19,121,345,361.62/186,708.18 - Step 6: Final answer
x = 102,413.00
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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.