Finding the Fourth Proportional to 203,163.97, 303,510.44 and 131,502.80
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Solution
The fourth proportional to 203,163.97, 303,510.44 and 131,502.80 is: 196,454.47
Step by Step Solution
- Step 1: Write the proportion equation
203,163.97 : 303,510.44 = 131,502.80 : x - Step 2: Convert to fraction form
203,163.97/303,510.44 = 131,502.80/x - Step 3: Cross multiply
203,163.97x = 303,510.44 × 131,502.80 - Step 4: Simplify right side
203,163.97x = 39,912,470,514.17 - Step 5: Solve for x
x = 39,912,470,514.17/203,163.97 - Step 6: Final answer
x = 196,454.47
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.