Finding the Fourth Proportional to 471,715.25, 650,880.57 and 278,183.68
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Solution
The fourth proportional to 471,715.25, 650,880.57 and 278,183.68 is: 383,842.48
Step by Step Solution
- Step 1: Write the proportion equation
471,715.25 : 650,880.57 = 278,183.68 : x - Step 2: Convert to fraction form
471,715.25/650,880.57 = 278,183.68/x - Step 3: Cross multiply
471,715.25x = 650,880.57 × 278,183.68 - Step 4: Simplify right side
471,715.25x = 181,064,352,203.10 - Step 5: Solve for x
x = 181,064,352,203.10/471,715.25 - Step 6: Final answer
x = 383,842.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.