Finding the Fourth Proportional to 198,129.76, 273,513.18 and 125,568.88
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Solution
The fourth proportional to 198,129.76, 273,513.18 and 125,568.88 is: 173,344.70
Step by Step Solution
- Step 1: Write the proportion equation
198,129.76 : 273,513.18 = 125,568.88 : x - Step 2: Convert to fraction form
198,129.76/273,513.18 = 125,568.88/x - Step 3: Cross multiply
198,129.76x = 273,513.18 × 125,568.88 - Step 4: Simplify right side
198,129.76x = 34,344,743,677.84 - Step 5: Solve for x
x = 34,344,743,677.84/198,129.76 - Step 6: Final answer
x = 173,344.70
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1.5x scale
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.