Finding the Fourth Proportional to 220,767.99, 331,201.36 and 80,526.61
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Solution
The fourth proportional to 220,767.99, 331,201.36 and 80,526.61 is: 120,807.92
Step by Step Solution
- Step 1: Write the proportion equation
220,767.99 : 331,201.36 = 80,526.61 : x - Step 2: Convert to fraction form
220,767.99/331,201.36 = 80,526.61/x - Step 3: Cross multiply
220,767.99x = 331,201.36 × 80,526.61 - Step 4: Simplify right side
220,767.99x = 26,670,522,748.19 - Step 5: Solve for x
x = 26,670,522,748.19/220,767.99 - Step 6: Final answer
x = 120,807.92
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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.