Finding the Fourth Proportional to 305,692.38, 421,161.55 and 236,544.08
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Solution
The fourth proportional to 305,692.38, 421,161.55 and 236,544.08 is: 325,893.86
Step by Step Solution
- Step 1: Write the proportion equation
305,692.38 : 421,161.55 = 236,544.08 : x - Step 2: Convert to fraction form
305,692.38/421,161.55 = 236,544.08/x - Step 3: Cross multiply
305,692.38x = 421,161.55 × 236,544.08 - Step 4: Simplify right side
305,692.38x = 99,623,268,678.96 - Step 5: Solve for x
x = 99,623,268,678.96/305,692.38 - Step 6: Final answer
x = 325,893.86
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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.