Finding the Fourth Proportional to 308,493.15, 462,692.97 and 106,120.05
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Solution
The fourth proportional to 308,493.15, 462,692.97 and 106,120.05 is: 159,163.99
Step by Step Solution
- Step 1: Write the proportion equation
308,493.15 : 462,692.97 = 106,120.05 : x - Step 2: Convert to fraction form
308,493.15/462,692.97 = 106,120.05/x - Step 3: Cross multiply
308,493.15x = 462,692.97 × 106,120.05 - Step 4: Simplify right side
308,493.15x = 49,101,001,111.05 - Step 5: Solve for x
x = 49,101,001,111.05/308,493.15 - Step 6: Final answer
x = 159,163.99
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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.