Finding the Fourth Proportional to 189,737.20, 284,933.85 and 101,163.70
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Solution
The fourth proportional to 189,737.20, 284,933.85 and 101,163.70 is: 151,920.46
Step by Step Solution
- Step 1: Write the proportion equation
189,737.20 : 284,933.85 = 101,163.70 : x - Step 2: Convert to fraction form
189,737.20/284,933.85 = 101,163.70/x - Step 3: Cross multiply
189,737.20x = 284,933.85 × 101,163.70 - Step 4: Simplify right side
189,737.20x = 28,824,962,521.25 - Step 5: Solve for x
x = 28,824,962,521.25/189,737.20 - Step 6: Final answer
x = 151,920.46
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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.