Finding the Fourth Proportional to 218,148.26, 327,212.87 and 68,385.13
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Solution
The fourth proportional to 218,148.26, 327,212.87 and 68,385.13 is: 102,574.71
Step by Step Solution
- Step 1: Write the proportion equation
218,148.26 : 327,212.87 = 68,385.13 : x - Step 2: Convert to fraction form
218,148.26/327,212.87 = 68,385.13/x - Step 3: Cross multiply
218,148.26x = 327,212.87 × 68,385.13 - Step 4: Simplify right side
218,148.26x = 22,376,493,492.67 - Step 5: Solve for x
x = 22,376,493,492.67/218,148.26 - Step 6: Final answer
x = 102,574.71
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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.