Finding the Fourth Proportional to 449,546.24, 674,651.16 and 212,888.48
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Solution
The fourth proportional to 449,546.24, 674,651.16 and 212,888.48 is: 319,489.85
Step by Step Solution
- Step 1: Write the proportion equation
449,546.24 : 674,651.16 = 212,888.48 : x - Step 2: Convert to fraction form
449,546.24/674,651.16 = 212,888.48/x - Step 3: Cross multiply
449,546.24x = 674,651.16 × 212,888.48 - Step 4: Simplify right side
449,546.24x = 143,625,459,982.64 - Step 5: Solve for x
x = 143,625,459,982.64/449,546.24 - Step 6: Final answer
x = 319,489.85
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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.