Finding the Fourth Proportional to 496,163.99, 684,685.64 and 281,318.58
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Solution
The fourth proportional to 496,163.99, 684,685.64 and 281,318.58 is: 388,207.92
Step by Step Solution
- Step 1: Write the proportion equation
496,163.99 : 684,685.64 = 281,318.58 : x - Step 2: Convert to fraction form
496,163.99/684,685.64 = 281,318.58/x - Step 3: Cross multiply
496,163.99x = 684,685.64 × 281,318.58 - Step 4: Simplify right side
496,163.99x = 192,614,792,694.49 - Step 5: Solve for x
x = 192,614,792,694.49/496,163.99 - Step 6: Final answer
x = 388,207.92
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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.