Finding the Fourth Proportional to 198,322.52, 273,618.68 and 112,269.74
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Solution
The fourth proportional to 198,322.52, 273,618.68 and 112,269.74 is: 154,894.65
Step by Step Solution
- Step 1: Write the proportion equation
198,322.52 : 273,618.68 = 112,269.74 : x - Step 2: Convert to fraction form
198,322.52/273,618.68 = 112,269.74/x - Step 3: Cross multiply
198,322.52x = 273,618.68 × 112,269.74 - Step 4: Simplify right side
198,322.52x = 30,719,096,133.30 - Step 5: Solve for x
x = 30,719,096,133.30/198,322.52 - Step 6: Final answer
x = 154,894.65
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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.