Finding the Fourth Proportional to 194,793.88, 268,800.78 and 109,918.84
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Solution
The fourth proportional to 194,793.88, 268,800.78 and 109,918.84 is: 151,679.66
Step by Step Solution
- Step 1: Write the proportion equation
194,793.88 : 268,800.78 = 109,918.84 : x - Step 2: Convert to fraction form
194,793.88/268,800.78 = 109,918.84/x - Step 3: Cross multiply
194,793.88x = 268,800.78 × 109,918.84 - Step 4: Simplify right side
194,793.88x = 29,546,269,928.70 - Step 5: Solve for x
x = 29,546,269,928.70/194,793.88 - Step 6: Final answer
x = 151,679.66
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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.