Finding the Fourth Proportional to 263,687.58, 395,554.68 and 74,149.56
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Solution
The fourth proportional to 263,687.58, 395,554.68 and 74,149.56 is: 111,230.89
Step by Step Solution
- Step 1: Write the proportion equation
263,687.58 : 395,554.68 = 74,149.56 : x - Step 2: Convert to fraction form
263,687.58/395,554.68 = 74,149.56/x - Step 3: Cross multiply
263,687.58x = 395,554.68 × 74,149.56 - Step 4: Simplify right side
263,687.58x = 29,330,205,477.94 - Step 5: Solve for x
x = 29,330,205,477.94/263,687.58 - Step 6: Final answer
x = 111,230.89
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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.