Finding the Fourth Proportional to 483,993.99, 667,912.26 and 269,129.46
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Solution
The fourth proportional to 483,993.99, 667,912.26 and 269,129.46 is: 371,398.96
Step by Step Solution
- Step 1: Write the proportion equation
483,993.99 : 667,912.26 = 269,129.46 : x - Step 2: Convert to fraction form
483,993.99/667,912.26 = 269,129.46/x - Step 3: Cross multiply
483,993.99x = 667,912.26 × 269,129.46 - Step 4: Simplify right side
483,993.99x = 179,754,865,861.18 - Step 5: Solve for x
x = 179,754,865,861.18/483,993.99 - Step 6: Final answer
x = 371,398.96
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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.