Finding the Fourth Proportional to 127,684.84, 191,614.68 and 44,578.84
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Solution
The fourth proportional to 127,684.84, 191,614.68 and 44,578.84 is: 66,898.78
Step by Step Solution
- Step 1: Write the proportion equation
127,684.84 : 191,614.68 = 44,578.84 : x - Step 2: Convert to fraction form
127,684.84/191,614.68 = 44,578.84/x - Step 3: Cross multiply
127,684.84x = 191,614.68 × 44,578.84 - Step 4: Simplify right side
127,684.84x = 8,541,960,161.37 - Step 5: Solve for x
x = 8,541,960,161.37/127,684.84 - Step 6: Final answer
x = 66,898.78
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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.