Finding the Fourth Proportional to 905,770.44, 1,358,654.80 and 231,850.68
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Solution
The fourth proportional to 905,770.44, 1,358,654.80 and 231,850.68 is: 347,775.80
Step by Step Solution
- Step 1: Write the proportion equation
905,770.44 : 1,358,654.80 = 231,850.68 : x - Step 2: Convert to fraction form
905,770.44/1,358,654.80 = 231,850.68/x - Step 3: Cross multiply
905,770.44x = 1,358,654.80 × 231,850.68 - Step 4: Simplify right side
905,770.44x = 315,005,039,265.26 - Step 5: Solve for x
x = 315,005,039,265.26/905,770.44 - Step 6: Final answer
x = 347,775.80
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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.