Finding the Fourth Proportional to 775,091.12, 1,162,658.55 and 214,125.62
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Solution
The fourth proportional to 775,091.12, 1,162,658.55 and 214,125.62 is: 321,194.47
Step by Step Solution
- Step 1: Write the proportion equation
775,091.12 : 1,162,658.55 = 214,125.62 : x - Step 2: Convert to fraction form
775,091.12/1,162,658.55 = 214,125.62/x - Step 3: Cross multiply
775,091.12x = 1,162,658.55 × 214,125.62 - Step 4: Simplify right side
775,091.12x = 248,954,982,867.05 - Step 5: Solve for x
x = 248,954,982,867.05/775,091.12 - Step 6: Final answer
x = 321,194.47
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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.