Finding the Fourth Proportional to 356,692.61, 492,239.84 and 203,751.05
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Solution
The fourth proportional to 356,692.61, 492,239.84 and 203,751.05 is: 281,178.74
Step by Step Solution
- Step 1: Write the proportion equation
356,692.61 : 492,239.84 = 203,751.05 : x - Step 2: Convert to fraction form
356,692.61/492,239.84 = 203,751.05/x - Step 3: Cross multiply
356,692.61x = 492,239.84 × 203,751.05 - Step 4: Simplify right side
356,692.61x = 100,294,380,771.88 - Step 5: Solve for x
x = 100,294,380,771.88/356,692.61 - Step 6: Final answer
x = 281,178.74
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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.