Finding the Fourth Proportional to 471,091.60, 650,087.68 and 256,231.36
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Solution
The fourth proportional to 471,091.60, 650,087.68 and 256,231.36 is: 353,589.09
Step by Step Solution
- Step 1: Write the proportion equation
471,091.60 : 650,087.68 = 256,231.36 : x - Step 2: Convert to fraction form
471,091.60/650,087.68 = 256,231.36/x - Step 3: Cross multiply
471,091.60x = 650,087.68 × 256,231.36 - Step 4: Simplify right side
471,091.60x = 166,572,850,365.65 - Step 5: Solve for x
x = 166,572,850,365.65/471,091.60 - Step 6: Final answer
x = 353,589.09
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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.