Finding the Fourth Proportional to 446,216.24, 669,324.60 and 280,120.88
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Solution
The fourth proportional to 446,216.24, 669,324.60 and 280,120.88 is: 420,181.47
Step by Step Solution
- Step 1: Write the proportion equation
446,216.24 : 669,324.60 = 280,120.88 : x - Step 2: Convert to fraction form
446,216.24/669,324.60 = 280,120.88/x - Step 3: Cross multiply
446,216.24x = 669,324.60 × 280,120.88 - Step 4: Simplify right side
446,216.24x = 187,491,795,957.65 - Step 5: Solve for x
x = 187,491,795,957.65/446,216.24 - Step 6: Final answer
x = 420,181.47
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1.5x scale
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.