Finding the Fourth Proportional to 262,997.55, 394,441.65 and 92,241.99
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Solution
The fourth proportional to 262,997.55, 394,441.65 and 92,241.99 is: 138,343.81
Step by Step Solution
- Step 1: Write the proportion equation
262,997.55 : 394,441.65 = 92,241.99 : x - Step 2: Convert to fraction form
262,997.55/394,441.65 = 92,241.99/x - Step 3: Cross multiply
262,997.55x = 394,441.65 × 92,241.99 - Step 4: Simplify right side
262,997.55x = 36,384,082,734.88 - Step 5: Solve for x
x = 36,384,082,734.88/262,997.55 - Step 6: Final answer
x = 138,343.81
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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.