Finding the Fourth Proportional to 217,173.50, 325,680.36 and 74,982.65
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Solution
The fourth proportional to 217,173.50, 325,680.36 and 74,982.65 is: 112,446.39
Step by Step Solution
- Step 1: Write the proportion equation
217,173.50 : 325,680.36 = 74,982.65 : x - Step 2: Convert to fraction form
217,173.50/325,680.36 = 74,982.65/x - Step 3: Cross multiply
217,173.50x = 325,680.36 × 74,982.65 - Step 4: Simplify right side
217,173.50x = 24,420,376,445.75 - Step 5: Solve for x
x = 24,420,376,445.75/217,173.50 - Step 6: Final answer
x = 112,446.39
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1.5x scale
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.