Finding the Fourth Proportional to 216,220.50, 324,478.38 and 75,979.08
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Solution
The fourth proportional to 216,220.50, 324,478.38 and 75,979.08 is: 114,020.50
Step by Step Solution
- Step 1: Write the proportion equation
216,220.50 : 324,478.38 = 75,979.08 : x - Step 2: Convert to fraction form
216,220.50/324,478.38 = 75,979.08/x - Step 3: Cross multiply
216,220.50x = 324,478.38 × 75,979.08 - Step 4: Simplify right side
216,220.50x = 24,653,568,792.29 - Step 5: Solve for x
x = 24,653,568,792.29/216,220.50 - Step 6: Final answer
x = 114,020.50
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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.