Finding the Fourth Proportional to 155,446.75, 214,516.52 and 88,378.75
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Solution
The fourth proportional to 155,446.75, 214,516.52 and 88,378.75 is: 121,962.68
Step by Step Solution
- Step 1: Write the proportion equation
155,446.75 : 214,516.52 = 88,378.75 : x - Step 2: Convert to fraction form
155,446.75/214,516.52 = 88,378.75/x - Step 3: Cross multiply
155,446.75x = 214,516.52 × 88,378.75 - Step 4: Simplify right side
155,446.75x = 18,958,701,891.95 - Step 5: Solve for x
x = 18,958,701,891.95/155,446.75 - Step 6: Final answer
x = 121,962.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.