Finding the Fourth Proportional to 274,195.70, 378,382.94 and 151,692.60
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Solution
The fourth proportional to 274,195.70, 378,382.94 and 151,692.60 is: 209,331.85
Step by Step Solution
- Step 1: Write the proportion equation
274,195.70 : 378,382.94 = 151,692.60 : x - Step 2: Convert to fraction form
274,195.70/378,382.94 = 151,692.60/x - Step 3: Cross multiply
274,195.70x = 378,382.94 × 151,692.60 - Step 4: Simplify right side
274,195.70x = 57,397,891,964.24 - Step 5: Solve for x
x = 57,397,891,964.24/274,195.70 - Step 6: Final answer
x = 209,331.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.