Finding the Fourth Proportional to 78,464.67, 108,278.97 and 44,476.29
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Solution
The fourth proportional to 78,464.67, 108,278.97 and 44,476.29 is: 61,375.99
Step by Step Solution
- Step 1: Write the proportion equation
78,464.67 : 108,278.97 = 44,476.29 : x - Step 2: Convert to fraction form
78,464.67/108,278.97 = 44,476.29/x - Step 3: Cross multiply
78,464.67x = 108,278.97 × 44,476.29 - Step 4: Simplify right side
78,464.67x = 4,815,846,870.62 - Step 5: Solve for x
x = 4,815,846,870.62/78,464.67 - Step 6: Final answer
x = 61,375.99
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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.