Finding the Fourth Proportional to 202,828.08, 279,912.60 and 112,183.68
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Solution
The fourth proportional to 202,828.08, 279,912.60 and 112,183.68 is: 154,818.93
Step by Step Solution
- Step 1: Write the proportion equation
202,828.08 : 279,912.60 = 112,183.68 : x - Step 2: Convert to fraction form
202,828.08/279,912.60 = 112,183.68/x - Step 3: Cross multiply
202,828.08x = 279,912.60 × 112,183.68 - Step 4: Simplify right side
202,828.08x = 31,401,625,546.37 - Step 5: Solve for x
x = 31,401,625,546.37/202,828.08 - Step 6: Final answer
x = 154,818.93
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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.