Finding the Fourth Proportional to 198,317.36, 273,576.44 and 126,622
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Solution
The fourth proportional to 198,317.36, 273,576.44 and 126,622 is: 174,673.54
Step by Step Solution
- Step 1: Write the proportion equation
198,317.36 : 273,576.44 = 126,622 : x - Step 2: Convert to fraction form
198,317.36/273,576.44 = 126,622/x - Step 3: Cross multiply
198,317.36x = 273,576.44 × 126,622 - Step 4: Simplify right side
198,317.36x = 34,640,795,985.68 - Step 5: Solve for x
x = 34,640,795,985.68/198,317.36 - Step 6: Final answer
x = 174,673.54
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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.