Finding the Fourth Proportional to 198,140.97, 273,464.55 and 126,568.66
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Solution
The fourth proportional to 198,140.97, 273,464.55 and 126,568.66 is: 174,683.92
Step by Step Solution
- Step 1: Write the proportion equation
198,140.97 : 273,464.55 = 126,568.66 : x - Step 2: Convert to fraction form
198,140.97/273,464.55 = 126,568.66/x - Step 3: Cross multiply
198,140.97x = 273,464.55 × 126,568.66 - Step 4: Simplify right side
198,140.97x = 34,612,041,651.00 - Step 5: Solve for x
x = 34,612,041,651.00/198,140.97 - Step 6: Final answer
x = 174,683.92
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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.