Finding the Fourth Proportional to 192,869.48, 289,350.06 and 80,487.26
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Solution
The fourth proportional to 192,869.48, 289,350.06 and 80,487.26 is: 120,750.02
Step by Step Solution
- Step 1: Write the proportion equation
192,869.48 : 289,350.06 = 80,487.26 : x - Step 2: Convert to fraction form
192,869.48/289,350.06 = 80,487.26/x - Step 3: Cross multiply
192,869.48x = 289,350.06 × 80,487.26 - Step 4: Simplify right side
192,869.48x = 23,288,993,510.24 - Step 5: Solve for x
x = 23,288,993,510.24/192,869.48 - Step 6: Final answer
x = 120,750.02
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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.