Finding the Fourth Proportional to 197,997.68, 273,249.24 and 108,573.68
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Solution
The fourth proportional to 197,997.68, 273,249.24 and 108,573.68 is: 149,838.50
Step by Step Solution
- Step 1: Write the proportion equation
197,997.68 : 273,249.24 = 108,573.68 : x - Step 2: Convert to fraction form
197,997.68/273,249.24 = 108,573.68/x - Step 3: Cross multiply
197,997.68x = 273,249.24 × 108,573.68 - Step 4: Simplify right side
197,997.68x = 29,667,675,544.00 - Step 5: Solve for x
x = 29,667,675,544.00/197,997.68 - Step 6: Final answer
x = 149,838.50
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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.