Finding the Fourth Proportional to 252,203.62, 378,211.12 and 83,692.54
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Solution
The fourth proportional to 252,203.62, 378,211.12 and 83,692.54 is: 125,507.50
Step by Step Solution
- Step 1: Write the proportion equation
252,203.62 : 378,211.12 = 83,692.54 : x - Step 2: Convert to fraction form
252,203.62/378,211.12 = 83,692.54/x - Step 3: Cross multiply
252,203.62x = 378,211.12 × 83,692.54 - Step 4: Simplify right side
252,203.62x = 31,653,446,979.53 - Step 5: Solve for x
x = 31,653,446,979.53/252,203.62 - Step 6: Final answer
x = 125,507.50
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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.