Finding the Fourth Proportional to 213,879.36, 295,149.76 and 118,383.96
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Solution
The fourth proportional to 213,879.36, 295,149.76 and 118,383.96 is: 163,367.79
Step by Step Solution
- Step 1: Write the proportion equation
213,879.36 : 295,149.76 = 118,383.96 : x - Step 2: Convert to fraction form
213,879.36/295,149.76 = 118,383.96/x - Step 3: Cross multiply
213,879.36x = 295,149.76 × 118,383.96 - Step 4: Simplify right side
213,879.36x = 34,940,997,381.85 - Step 5: Solve for x
x = 34,940,997,381.85/213,879.36 - Step 6: Final answer
x = 163,367.79
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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.