Finding the Fourth Proportional to 146,660.63, 202,391.66 and 82,998.47
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Solution
The fourth proportional to 146,660.63, 202,391.66 and 82,998.47 is: 114,537.89
Step by Step Solution
- Step 1: Write the proportion equation
146,660.63 : 202,391.66 = 82,998.47 : x - Step 2: Convert to fraction form
146,660.63/202,391.66 = 82,998.47/x - Step 3: Cross multiply
146,660.63x = 202,391.66 × 82,998.47 - Step 4: Simplify right side
146,660.63x = 16,798,198,834.24 - Step 5: Solve for x
x = 16,798,198,834.24/146,660.63 - Step 6: Final answer
x = 114,537.89
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1.5x scale
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.