Finding the Fourth Proportional to 226,385.93, 339,135.18 and 131,416.98
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Solution
The fourth proportional to 226,385.93, 339,135.18 and 131,416.98 is: 196,867.90
Step by Step Solution
- Step 1: Write the proportion equation
226,385.93 : 339,135.18 = 131,416.98 : x - Step 2: Convert to fraction form
226,385.93/339,135.18 = 131,416.98/x - Step 3: Cross multiply
226,385.93x = 339,135.18 × 131,416.98 - Step 4: Simplify right side
226,385.93x = 44,568,121,167.36 - Step 5: Solve for x
x = 44,568,121,167.36/226,385.93 - Step 6: Final answer
x = 196,867.90
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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.