Finding the Fourth Proportional to 144,721.26, 217,113.08 and 44,879.45
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Solution
The fourth proportional to 144,721.26, 217,113.08 and 44,879.45 is: 67,328.84
Step by Step Solution
- Step 1: Write the proportion equation
144,721.26 : 217,113.08 = 44,879.45 : x - Step 2: Convert to fraction form
144,721.26/217,113.08 = 44,879.45/x - Step 3: Cross multiply
144,721.26x = 217,113.08 × 44,879.45 - Step 4: Simplify right side
144,721.26x = 9,743,914,308.24 - Step 5: Solve for x
x = 9,743,914,308.24/144,721.26 - Step 6: Final answer
x = 67,328.84
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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.