Finding the Fourth Proportional to 154,775.44, 213,635.73 and 101,068.84
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Solution
The fourth proportional to 154,775.44, 213,635.73 and 101,068.84 is: 139,504.79
Step by Step Solution
- Step 1: Write the proportion equation
154,775.44 : 213,635.73 = 101,068.84 : x - Step 2: Convert to fraction form
154,775.44/213,635.73 = 101,068.84/x - Step 3: Cross multiply
154,775.44x = 213,635.73 × 101,068.84 - Step 4: Simplify right side
154,775.44x = 21,591,915,413.65 - Step 5: Solve for x
x = 21,591,915,413.65/154,775.44 - Step 6: Final answer
x = 139,504.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.