Finding the Fourth Proportional to 194,908.48, 268,966.08 and 122,350.42
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Solution
The fourth proportional to 194,908.48, 268,966.08 and 122,350.42 is: 168,838.79
Step by Step Solution
- Step 1: Write the proportion equation
194,908.48 : 268,966.08 = 122,350.42 : x - Step 2: Convert to fraction form
194,908.48/268,966.08 = 122,350.42/x - Step 3: Cross multiply
194,908.48x = 268,966.08 × 122,350.42 - Step 4: Simplify right side
194,908.48x = 32,908,112,853.75 - Step 5: Solve for x
x = 32,908,112,853.75/194,908.48 - Step 6: Final answer
x = 168,838.79
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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.