Finding the Fourth Proportional to 146,407.26, 202,045.83 and 82,749.09
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Solution
The fourth proportional to 146,407.26, 202,045.83 and 82,749.09 is: 114,195.90
Step by Step Solution
- Step 1: Write the proportion equation
146,407.26 : 202,045.83 = 82,749.09 : x - Step 2: Convert to fraction form
146,407.26/202,045.83 = 82,749.09/x - Step 3: Cross multiply
146,407.26x = 202,045.83 × 82,749.09 - Step 4: Simplify right side
146,407.26x = 16,719,108,570.79 - Step 5: Solve for x
x = 16,719,108,570.79/146,407.26 - Step 6: Final answer
x = 114,195.90
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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.