Finding the Fourth Proportional to 168,662.16, 252,993.60 and 115,912.08
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Solution
The fourth proportional to 168,662.16, 252,993.60 and 115,912.08 is: 173,868.37
Step by Step Solution
- Step 1: Write the proportion equation
168,662.16 : 252,993.60 = 115,912.08 : x - Step 2: Convert to fraction form
168,662.16/252,993.60 = 115,912.08/x - Step 3: Cross multiply
168,662.16x = 252,993.60 × 115,912.08 - Step 4: Simplify right side
168,662.16x = 29,325,014,402.69 - Step 5: Solve for x
x = 29,325,014,402.69/168,662.16 - Step 6: Final answer
x = 173,868.37
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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.