Finding the Fourth Proportional to 216,243.22, 298,556.05 and 193,542.84
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Solution
The fourth proportional to 216,243.22, 298,556.05 and 193,542.84 is: 267,214.79
Step by Step Solution
- Step 1: Write the proportion equation
216,243.22 : 298,556.05 = 193,542.84 : x - Step 2: Convert to fraction form
216,243.22/298,556.05 = 193,542.84/x - Step 3: Cross multiply
216,243.22x = 298,556.05 × 193,542.84 - Step 4: Simplify right side
216,243.22x = 57,783,385,816.18 - Step 5: Solve for x
x = 57,783,385,816.18/216,243.22 - Step 6: Final answer
x = 267,214.79
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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.