Finding the Fourth Proportional to 275,234.36, 412,512.67 and 131,216.05
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Solution
The fourth proportional to 275,234.36, 412,512.67 and 131,216.05 is: 196,662.52
Step by Step Solution
- Step 1: Write the proportion equation
275,234.36 : 412,512.67 = 131,216.05 : x - Step 2: Convert to fraction form
275,234.36/412,512.67 = 131,216.05/x - Step 3: Cross multiply
275,234.36x = 412,512.67 × 131,216.05 - Step 4: Simplify right side
275,234.36x = 54,128,283,073.92 - Step 5: Solve for x
x = 54,128,283,073.92/275,234.36 - Step 6: Final answer
x = 196,662.52
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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.