Finding the Fourth Proportional to 322,874.32, 445,568.60 and 177,676.09
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Solution
The fourth proportional to 322,874.32, 445,568.60 and 177,676.09 is: 245,194.12
Step by Step Solution
- Step 1: Write the proportion equation
322,874.32 : 445,568.60 = 177,676.09 : x - Step 2: Convert to fraction form
322,874.32/445,568.60 = 177,676.09/x - Step 3: Cross multiply
322,874.32x = 445,568.60 × 177,676.09 - Step 4: Simplify right side
322,874.32x = 79,166,885,005.61 - Step 5: Solve for x
x = 79,166,885,005.61/322,874.32 - Step 6: Final answer
x = 245,194.12
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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.