Finding the Fourth Proportional to 218,620.22, 327,930.39 and 168,773.09
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Solution
The fourth proportional to 218,620.22, 327,930.39 and 168,773.09 is: 253,159.68
Step by Step Solution
- Step 1: Write the proportion equation
218,620.22 : 327,930.39 = 168,773.09 : x - Step 2: Convert to fraction form
218,620.22/327,930.39 = 168,773.09/x - Step 3: Cross multiply
218,620.22x = 327,930.39 × 168,773.09 - Step 4: Simplify right side
218,620.22x = 55,345,823,585.55 - Step 5: Solve for x
x = 55,345,823,585.55/218,620.22 - Step 6: Final answer
x = 253,159.68
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1.5x scale
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.