Finding the Fourth Proportional to 198,163.57, 273,465.36 and 107,519.52
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Solution
The fourth proportional to 198,163.57, 273,465.36 and 107,519.52 is: 148,376.74
Step by Step Solution
- Step 1: Write the proportion equation
198,163.57 : 273,465.36 = 107,519.52 : x - Step 2: Convert to fraction form
198,163.57/273,465.36 = 107,519.52/x - Step 3: Cross multiply
198,163.57x = 273,465.36 × 107,519.52 - Step 4: Simplify right side
198,163.57x = 29,402,864,243.83 - Step 5: Solve for x
x = 29,402,864,243.83/198,163.57 - Step 6: Final answer
x = 148,376.74
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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.