Finding the Fourth Proportional to 874,163.16, 1,311,318.97 and 243,076.97
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Solution
The fourth proportional to 874,163.16, 1,311,318.97 and 243,076.97 is: 364,636.10
Step by Step Solution
- Step 1: Write the proportion equation
874,163.16 : 1,311,318.97 = 243,076.97 : x - Step 2: Convert to fraction form
874,163.16/1,311,318.97 = 243,076.97/x - Step 3: Cross multiply
874,163.16x = 1,311,318.97 × 243,076.97 - Step 4: Simplify right side
874,163.16x = 318,751,444,601.73 - Step 5: Solve for x
x = 318,751,444,601.73/874,163.16 - Step 6: Final answer
x = 364,636.10
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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.