Finding the Fourth Proportional to 445,211.68, 667,466.16 and 220,649.44
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Solution
The fourth proportional to 445,211.68, 667,466.16 and 220,649.44 is: 330,800.02
Step by Step Solution
- Step 1: Write the proportion equation
445,211.68 : 667,466.16 = 220,649.44 : x - Step 2: Convert to fraction form
445,211.68/667,466.16 = 220,649.44/x - Step 3: Cross multiply
445,211.68x = 667,466.16 × 220,649.44 - Step 4: Simplify right side
445,211.68x = 147,276,034,422.95 - Step 5: Solve for x
x = 147,276,034,422.95/445,211.68 - Step 6: Final answer
x = 330,800.02
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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.