Finding the Fourth Proportional to 449,589.67, 674,717.21 and 212,932.92
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Solution
The fourth proportional to 449,589.67, 674,717.21 and 212,932.92 is: 319,556.95
Step by Step Solution
- Step 1: Write the proportion equation
449,589.67 : 674,717.21 = 212,932.92 : x - Step 2: Convert to fraction form
449,589.67/674,717.21 = 212,932.92/x - Step 3: Cross multiply
449,589.67x = 674,717.21 × 212,932.92 - Step 4: Simplify right side
449,589.67x = 143,669,505,699.55 - Step 5: Solve for x
x = 143,669,505,699.55/449,589.67 - Step 6: Final answer
x = 319,556.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.