Finding the Fourth Proportional to 247,872.41, 371,742.19 and 107,597.69
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Solution
The fourth proportional to 247,872.41, 371,742.19 and 107,597.69 is: 161,367.70
Step by Step Solution
- Step 1: Write the proportion equation
247,872.41 : 371,742.19 = 107,597.69 : x - Step 2: Convert to fraction form
247,872.41/371,742.19 = 107,597.69/x - Step 3: Cross multiply
247,872.41x = 371,742.19 × 107,597.69 - Step 4: Simplify right side
247,872.41x = 39,998,600,919.54 - Step 5: Solve for x
x = 39,998,600,919.54/247,872.41 - Step 6: Final answer
x = 161,367.70
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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.