Finding the Fourth Proportional to 323,361.81, 446,253.10 and 180,121.95
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Solution
The fourth proportional to 323,361.81, 446,253.10 and 180,121.95 is: 248,575.98
Step by Step Solution
- Step 1: Write the proportion equation
323,361.81 : 446,253.10 = 180,121.95 : x - Step 2: Convert to fraction form
323,361.81/446,253.10 = 180,121.95/x - Step 3: Cross multiply
323,361.81x = 446,253.10 × 180,121.95 - Step 4: Simplify right side
323,361.81x = 80,379,978,115.24 - Step 5: Solve for x
x = 80,379,978,115.24/323,361.81 - Step 6: Final answer
x = 248,575.98
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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.