Finding the Fourth Proportional to 382,912.63, 574,723.57 and 193,506.28
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Solution
The fourth proportional to 382,912.63, 574,723.57 and 193,506.28 is: 290,438.63
Step by Step Solution
- Step 1: Write the proportion equation
382,912.63 : 574,723.57 = 193,506.28 : x - Step 2: Convert to fraction form
382,912.63/574,723.57 = 193,506.28/x - Step 3: Cross multiply
382,912.63x = 574,723.57 × 193,506.28 - Step 4: Simplify right side
382,912.63x = 111,212,620,059.02 - Step 5: Solve for x
x = 111,212,620,059.02/382,912.63 - Step 6: Final answer
x = 290,438.63
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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.