Finding the Fourth Proportional to 198,380.68, 273,764.46 and 107,735.92
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Solution
The fourth proportional to 198,380.68, 273,764.46 and 107,735.92 is: 148,675.09
Step by Step Solution
- Step 1: Write the proportion equation
198,380.68 : 273,764.46 = 107,735.92 : x - Step 2: Convert to fraction form
198,380.68/273,764.46 = 107,735.92/x - Step 3: Cross multiply
198,380.68x = 273,764.46 × 107,735.92 - Step 4: Simplify right side
198,380.68x = 29,494,265,961.40 - Step 5: Solve for x
x = 29,494,265,961.40/198,380.68 - Step 6: Final answer
x = 148,675.09
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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.