Finding the Fourth Proportional to 265,450.88, 397,978.68 and 115,662.80
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Solution
The fourth proportional to 265,450.88, 397,978.68 and 115,662.80 is: 173,408.08
Step by Step Solution
- Step 1: Write the proportion equation
265,450.88 : 397,978.68 = 115,662.80 : x - Step 2: Convert to fraction form
265,450.88/397,978.68 = 115,662.80/x - Step 3: Cross multiply
265,450.88x = 397,978.68 × 115,662.80 - Step 4: Simplify right side
265,450.88x = 46,031,328,469.10 - Step 5: Solve for x
x = 46,031,328,469.10/265,450.88 - Step 6: Final answer
x = 173,408.08
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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.