Finding the Fourth Proportional to 198,402.33, 273,797.19 and 107,760.08
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Solution
The fourth proportional to 198,402.33, 273,797.19 and 107,760.08 is: 148,709.98
Step by Step Solution
- Step 1: Write the proportion equation
198,402.33 : 273,797.19 = 107,760.08 : x - Step 2: Convert to fraction form
198,402.33/273,797.19 = 107,760.08/x - Step 3: Cross multiply
198,402.33x = 273,797.19 × 107,760.08 - Step 4: Simplify right side
198,402.33x = 29,504,407,098.18 - Step 5: Solve for x
x = 29,504,407,098.18/198,402.33 - Step 6: Final answer
x = 148,709.98
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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.