Finding the Fourth Proportional to 263,872.17, 395,920.34 and 130,754.94
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Solution
The fourth proportional to 263,872.17, 395,920.34 and 130,754.94 is: 196,187.95
Step by Step Solution
- Step 1: Write the proportion equation
263,872.17 : 395,920.34 = 130,754.94 : x - Step 2: Convert to fraction form
263,872.17/395,920.34 = 130,754.94/x - Step 3: Cross multiply
263,872.17x = 395,920.34 × 130,754.94 - Step 4: Simplify right side
263,872.17x = 51,768,539,647.70 - Step 5: Solve for x
x = 51,768,539,647.70/263,872.17 - Step 6: Final answer
x = 196,187.95
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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.