Finding the Fourth Proportional to 251,692.96, 377,530.80 and 74,192.80
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Solution
The fourth proportional to 251,692.96, 377,530.80 and 74,192.80 is: 111,286.65
Step by Step Solution
- Step 1: Write the proportion equation
251,692.96 : 377,530.80 = 74,192.80 : x - Step 2: Convert to fraction form
251,692.96/377,530.80 = 74,192.80/x - Step 3: Cross multiply
251,692.96x = 377,530.80 × 74,192.80 - Step 4: Simplify right side
251,692.96x = 28,010,067,138.24 - Step 5: Solve for x
x = 28,010,067,138.24/251,692.96 - Step 6: Final answer
x = 111,286.65
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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.