Finding the Fourth Proportional to 194,451.75, 268,343.60 and 105,027.75
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Solution
The fourth proportional to 194,451.75, 268,343.60 and 105,027.75 is: 144,938.39
Step by Step Solution
- Step 1: Write the proportion equation
194,451.75 : 268,343.60 = 105,027.75 : x - Step 2: Convert to fraction form
194,451.75/268,343.60 = 105,027.75/x - Step 3: Cross multiply
194,451.75x = 268,343.60 × 105,027.75 - Step 4: Simplify right side
194,451.75x = 28,183,524,009.76 - Step 5: Solve for x
x = 28,183,524,009.76/194,451.75 - Step 6: Final answer
x = 144,938.39
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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.