Finding the Fourth Proportional to 255,473.26, 383,209.92 and 68,489.62
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Solution
The fourth proportional to 255,473.26, 383,209.92 and 68,489.62 is: 102,734.44
Step by Step Solution
- Step 1: Write the proportion equation
255,473.26 : 383,209.92 = 68,489.62 : x - Step 2: Convert to fraction form
255,473.26/383,209.92 = 68,489.62/x - Step 3: Cross multiply
255,473.26x = 383,209.92 × 68,489.62 - Step 4: Simplify right side
255,473.26x = 26,245,900,843.01 - Step 5: Solve for x
x = 26,245,900,843.01/255,473.26 - Step 6: Final answer
x = 102,734.44
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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.