Finding the Fourth Proportional to 268,738.56, 403,107.84 and 190,793.88
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Solution
The fourth proportional to 268,738.56, 403,107.84 and 190,793.88 is: 286,190.82
Step by Step Solution
- Step 1: Write the proportion equation
268,738.56 : 403,107.84 = 190,793.88 : x - Step 2: Convert to fraction form
268,738.56/403,107.84 = 190,793.88/x - Step 3: Cross multiply
268,738.56x = 403,107.84 × 190,793.88 - Step 4: Simplify right side
268,738.56x = 76,910,508,852.02 - Step 5: Solve for x
x = 76,910,508,852.02/268,738.56 - Step 6: Final answer
x = 286,190.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.