Finding the Fourth Proportional to 255,905.67, 383,694.24 and 106,249.26
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Solution
The fourth proportional to 255,905.67, 383,694.24 and 106,249.26 is: 159,305.69
Step by Step Solution
- Step 1: Write the proportion equation
255,905.67 : 383,694.24 = 106,249.26 : x - Step 2: Convert to fraction form
255,905.67/383,694.24 = 106,249.26/x - Step 3: Cross multiply
255,905.67x = 383,694.24 × 106,249.26 - Step 4: Simplify right side
255,905.67x = 40,767,229,066.26 - Step 5: Solve for x
x = 40,767,229,066.26/255,905.67 - Step 6: Final answer
x = 159,305.69
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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.