Finding the Fourth Proportional to 194,617.44, 268,581.42 and 109,732.68
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Solution
The fourth proportional to 194,617.44, 268,581.42 and 109,732.68 is: 151,436.37
Step by Step Solution
- Step 1: Write the proportion equation
194,617.44 : 268,581.42 = 109,732.68 : x - Step 2: Convert to fraction form
194,617.44/268,581.42 = 109,732.68/x - Step 3: Cross multiply
194,617.44x = 268,581.42 × 109,732.68 - Step 4: Simplify right side
194,617.44x = 29,472,159,014.81 - Step 5: Solve for x
x = 29,472,159,014.81/194,617.44 - Step 6: Final answer
x = 151,436.37
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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.