Finding the Fourth Proportional to 220,765.74, 331,197.99 and 80,524.36
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Solution
The fourth proportional to 220,765.74, 331,197.99 and 80,524.36 is: 120,804.55
Step by Step Solution
- Step 1: Write the proportion equation
220,765.74 : 331,197.99 = 80,524.36 : x - Step 2: Convert to fraction form
220,765.74/331,197.99 = 80,524.36/x - Step 3: Cross multiply
220,765.74x = 331,197.99 × 80,524.36 - Step 4: Simplify right side
220,765.74x = 26,669,506,178.04 - Step 5: Solve for x
x = 26,669,506,178.04/220,765.74 - Step 6: Final answer
x = 120,804.55
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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.