Finding the Fourth Proportional to 198,193.44, 273,429.09 and 113,264.94
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Solution
The fourth proportional to 198,193.44, 273,429.09 and 113,264.94 is: 156,261.12
Step by Step Solution
- Step 1: Write the proportion equation
198,193.44 : 273,429.09 = 113,264.94 : x - Step 2: Convert to fraction form
198,193.44/273,429.09 = 113,264.94/x - Step 3: Cross multiply
198,193.44x = 273,429.09 × 113,264.94 - Step 4: Simplify right side
198,193.44x = 30,969,929,473.10 - Step 5: Solve for x
x = 30,969,929,473.10/198,193.44 - Step 6: Final answer
x = 156,261.12
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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.