Finding the Fourth Proportional to 216,865.19, 325,375.56 and 96,912.08
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Solution
The fourth proportional to 216,865.19, 325,375.56 and 96,912.08 is: 145,402.87
Step by Step Solution
- Step 1: Write the proportion equation
216,865.19 : 325,375.56 = 96,912.08 : x - Step 2: Convert to fraction form
216,865.19/325,375.56 = 96,912.08/x - Step 3: Cross multiply
216,865.19x = 325,375.56 × 96,912.08 - Step 4: Simplify right side
216,865.19x = 31,532,820,673.89 - Step 5: Solve for x
x = 31,532,820,673.89/216,865.19 - Step 6: Final answer
x = 145,402.87
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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.