Finding the Fourth Proportional to 194,635.71, 268,589.12 and 109,760.67
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Solution
The fourth proportional to 194,635.71, 268,589.12 and 109,760.67 is: 151,465.12
Step by Step Solution
- Step 1: Write the proportion equation
194,635.71 : 268,589.12 = 109,760.67 : x - Step 2: Convert to fraction form
194,635.71/268,589.12 = 109,760.67/x - Step 3: Cross multiply
194,635.71x = 268,589.12 × 109,760.67 - Step 4: Simplify right side
194,635.71x = 29,480,521,217.11 - Step 5: Solve for x
x = 29,480,521,217.11/194,635.71 - Step 6: Final answer
x = 151,465.12
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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.