Finding the Fourth Proportional to 775,092.12, 1,162,660.05 and 214,126.62
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Solution
The fourth proportional to 775,092.12, 1,162,660.05 and 214,126.62 is: 321,195.97
Step by Step Solution
- Step 1: Write the proportion equation
775,092.12 : 1,162,660.05 = 214,126.62 : x - Step 2: Convert to fraction form
775,092.12/1,162,660.05 = 214,126.62/x - Step 3: Cross multiply
775,092.12x = 1,162,660.05 × 214,126.62 - Step 4: Simplify right side
775,092.12x = 248,956,466,715.53 - Step 5: Solve for x
x = 248,956,466,715.53/775,092.12 - Step 6: Final answer
x = 321,195.97
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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.