Finding the Fourth Proportional to 198,081.70, 273,327.57 and 113,204.26
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Solution
The fourth proportional to 198,081.70, 273,327.57 and 113,204.26 is: 156,207.49
Step by Step Solution
- Step 1: Write the proportion equation
198,081.70 : 273,327.57 = 113,204.26 : x - Step 2: Convert to fraction form
198,081.70/273,327.57 = 113,204.26/x - Step 3: Cross multiply
198,081.70x = 273,327.57 × 113,204.26 - Step 4: Simplify right side
198,081.70x = 30,941,845,299.45 - Step 5: Solve for x
x = 30,941,845,299.45/198,081.70 - Step 6: Final answer
x = 156,207.49
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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.