Finding the Fourth Proportional to 220,408.11, 304,163.10 and 119,806.11
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Solution
The fourth proportional to 220,408.11, 304,163.10 and 119,806.11 is: 165,332.38
Step by Step Solution
- Step 1: Write the proportion equation
220,408.11 : 304,163.10 = 119,806.11 : x - Step 2: Convert to fraction form
220,408.11/304,163.10 = 119,806.11/x - Step 3: Cross multiply
220,408.11x = 304,163.10 × 119,806.11 - Step 4: Simplify right side
220,408.11x = 36,440,597,816.54 - Step 5: Solve for x
x = 36,440,597,816.54/220,408.11 - Step 6: Final answer
x = 165,332.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.