Finding the Fourth Proportional to 173,914.75, 260,830.13 and 72,658.09
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Solution
The fourth proportional to 173,914.75, 260,830.13 and 72,658.09 is: 108,969.59
Step by Step Solution
- Step 1: Write the proportion equation
173,914.75 : 260,830.13 = 72,658.09 : x - Step 2: Convert to fraction form
173,914.75/260,830.13 = 72,658.09/x - Step 3: Cross multiply
173,914.75x = 260,830.13 × 72,658.09 - Step 4: Simplify right side
173,914.75x = 18,951,418,589.82 - Step 5: Solve for x
x = 18,951,418,589.82/173,914.75 - Step 6: Final answer
x = 108,969.59
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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.