Finding the Fourth Proportional to 198,201.99, 273,532.23 and 112,161.03
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Solution
The fourth proportional to 198,201.99, 273,532.23 and 112,161.03 is: 154,789.85
Step by Step Solution
- Step 1: Write the proportion equation
198,201.99 : 273,532.23 = 112,161.03 : x - Step 2: Convert to fraction form
198,201.99/273,532.23 = 112,161.03/x - Step 3: Cross multiply
198,201.99x = 273,532.23 × 112,161.03 - Step 4: Simplify right side
198,201.99x = 30,679,656,655.00 - Step 5: Solve for x
x = 30,679,656,655.00/198,201.99 - Step 6: Final answer
x = 154,789.85
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1.5x scale
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.