Finding the Fourth Proportional to 326,718.26, 490,145.42 and 102,069.62
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Solution
The fourth proportional to 326,718.26, 490,145.42 and 102,069.62 is: 153,125.68
Step by Step Solution
- Step 1: Write the proportion equation
326,718.26 : 490,145.42 = 102,069.62 : x - Step 2: Convert to fraction form
326,718.26/490,145.42 = 102,069.62/x - Step 3: Cross multiply
326,718.26x = 490,145.42 × 102,069.62 - Step 4: Simplify right side
326,718.26x = 50,028,956,764.14 - Step 5: Solve for x
x = 50,028,956,764.14/326,718.26 - Step 6: Final answer
x = 153,125.68
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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.