Finding the Fourth Proportional to 496,318.23, 685,040.83 and 281,583.99
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Solution
The fourth proportional to 496,318.23, 685,040.83 and 281,583.99 is: 388,654.94
Step by Step Solution
- Step 1: Write the proportion equation
496,318.23 : 685,040.83 = 281,583.99 : x - Step 2: Convert to fraction form
496,318.23/685,040.83 = 281,583.99/x - Step 3: Cross multiply
496,318.23x = 685,040.83 × 281,583.99 - Step 4: Simplify right side
496,318.23x = 192,896,529,520.35 - Step 5: Solve for x
x = 192,896,529,520.35/496,318.23 - Step 6: Final answer
x = 388,654.94
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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.