Finding the Fourth Proportional to 194,736.59, 268,568.26 and 126,729.09
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Solution
The fourth proportional to 194,736.59, 268,568.26 and 126,729.09 is: 174,776.66
Step by Step Solution
- Step 1: Write the proportion equation
194,736.59 : 268,568.26 = 126,729.09 : x - Step 2: Convert to fraction form
194,736.59/268,568.26 = 126,729.09/x - Step 3: Cross multiply
194,736.59x = 268,568.26 × 126,729.09 - Step 4: Simplify right side
194,736.59x = 34,035,410,875.86 - Step 5: Solve for x
x = 34,035,410,875.86/194,736.59 - Step 6: Final answer
x = 174,776.66
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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.