Finding the Fourth Proportional to 382,692.70, 574,122.10 and 116,446.30
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Solution
The fourth proportional to 382,692.70, 574,122.10 and 116,446.30 is: 174,694.72
Step by Step Solution
- Step 1: Write the proportion equation
382,692.70 : 574,122.10 = 116,446.30 : x - Step 2: Convert to fraction form
382,692.70/574,122.10 = 116,446.30/x - Step 3: Cross multiply
382,692.70x = 574,122.10 × 116,446.30 - Step 4: Simplify right side
382,692.70x = 66,854,394,293.23 - Step 5: Solve for x
x = 66,854,394,293.23/382,692.70 - Step 6: Final answer
x = 174,694.72
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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.