Finding the Fourth Proportional to 198,091.14, 273,364.17 and 107,446.88
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Solution
The fourth proportional to 198,091.14, 273,364.17 and 107,446.88 is: 148,275.82
Step by Step Solution
- Step 1: Write the proportion equation
198,091.14 : 273,364.17 = 107,446.88 : x - Step 2: Convert to fraction form
198,091.14/273,364.17 = 107,446.88/x - Step 3: Cross multiply
198,091.14x = 273,364.17 × 107,446.88 - Step 4: Simplify right side
198,091.14x = 29,372,125,803.47 - Step 5: Solve for x
x = 29,372,125,803.47/198,091.14 - Step 6: Final answer
x = 148,275.82
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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.