Finding the Fourth Proportional to 263,882.88, 395,674.35 and 103,872.09
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Solution
The fourth proportional to 263,882.88, 395,674.35 and 103,872.09 is: 155,749.10
Step by Step Solution
- Step 1: Write the proportion equation
263,882.88 : 395,674.35 = 103,872.09 : x - Step 2: Convert to fraction form
263,882.88/395,674.35 = 103,872.09/x - Step 3: Cross multiply
263,882.88x = 395,674.35 × 103,872.09 - Step 4: Simplify right side
263,882.88x = 41,099,521,693.89 - Step 5: Solve for x
x = 41,099,521,693.89/263,882.88 - Step 6: Final answer
x = 155,749.10
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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.