Finding the Fourth Proportional to 220,768.05, 331,201.46 and 80,526.68
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Solution
The fourth proportional to 220,768.05, 331,201.46 and 80,526.68 is: 120,808.03
Step by Step Solution
- Step 1: Write the proportion equation
220,768.05 : 331,201.46 = 80,526.68 : x - Step 2: Convert to fraction form
220,768.05/331,201.46 = 80,526.68/x - Step 3: Cross multiply
220,768.05x = 331,201.46 × 80,526.68 - Step 4: Simplify right side
220,768.05x = 26,670,553,984.95 - Step 5: Solve for x
x = 26,670,553,984.95/220,768.05 - Step 6: Final answer
x = 120,808.03
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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.