Finding the Fourth Proportional to 491,392.20, 737,087.88 and 136,406.07
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Solution
The fourth proportional to 491,392.20, 737,087.88 and 136,406.07 is: 204,608.99
Step by Step Solution
- Step 1: Write the proportion equation
491,392.20 : 737,087.88 = 136,406.07 : x - Step 2: Convert to fraction form
491,392.20/737,087.88 = 136,406.07/x - Step 3: Cross multiply
491,392.20x = 737,087.88 × 136,406.07 - Step 4: Simplify right side
491,392.20x = 100,543,260,955.43 - Step 5: Solve for x
x = 100,543,260,955.43/491,392.20 - Step 6: Final answer
x = 204,608.99
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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.