Finding the Fourth Proportional to 198,132.44, 273,393.76 and 113,233.08
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Solution
The fourth proportional to 198,132.44, 273,393.76 and 113,233.08 is: 156,245.07
Step by Step Solution
- Step 1: Write the proportion equation
198,132.44 : 273,393.76 = 113,233.08 : x - Step 2: Convert to fraction form
198,132.44/273,393.76 = 113,233.08/x - Step 3: Cross multiply
198,132.44x = 273,393.76 × 113,233.08 - Step 4: Simplify right side
198,132.44x = 30,957,217,497.58 - Step 5: Solve for x
x = 30,957,217,497.58/198,132.44 - Step 6: Final answer
x = 156,245.07
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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.