Finding the Fourth Proportional to 271,951.43, 407,811.78 and 129,632.06
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Solution
The fourth proportional to 271,951.43, 407,811.78 and 129,632.06 is: 194,393.09
Step by Step Solution
- Step 1: Write the proportion equation
271,951.43 : 407,811.78 = 129,632.06 : x - Step 2: Convert to fraction form
271,951.43/407,811.78 = 129,632.06/x - Step 3: Cross multiply
271,951.43x = 407,811.78 × 129,632.06 - Step 4: Simplify right side
271,951.43x = 52,865,479,094.61 - Step 5: Solve for x
x = 52,865,479,094.61/271,951.43 - Step 6: Final answer
x = 194,393.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.