Finding the Fourth Proportional to 194,589.43, 268,545.99 and 109,711.96
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Solution
The fourth proportional to 194,589.43, 268,545.99 and 109,711.96 is: 151,409.60
Step by Step Solution
- Step 1: Write the proportion equation
194,589.43 : 268,545.99 = 109,711.96 : x - Step 2: Convert to fraction form
194,589.43/268,545.99 = 109,711.96/x - Step 3: Cross multiply
194,589.43x = 268,545.99 × 109,711.96 - Step 4: Simplify right side
194,589.43x = 29,462,706,913.04 - Step 5: Solve for x
x = 29,462,706,913.04/194,589.43 - Step 6: Final answer
x = 151,409.60
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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.