Finding the Fourth Proportional to 198,162.10, 273,455.04 and 113,284.63
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Solution
The fourth proportional to 198,162.10, 273,455.04 and 113,284.63 is: 156,327.84
Step by Step Solution
- Step 1: Write the proportion equation
198,162.10 : 273,455.04 = 113,284.63 : x - Step 2: Convert to fraction form
198,162.10/273,455.04 = 113,284.63/x - Step 3: Cross multiply
198,162.10x = 273,455.04 × 113,284.63 - Step 4: Simplify right side
198,162.10x = 30,978,252,344.40 - Step 5: Solve for x
x = 30,978,252,344.40/198,162.10 - Step 6: Final answer
x = 156,327.84
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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.