Finding the Fourth Proportional to 146,717.56, 202,471.86 and 83,053.96
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Solution
The fourth proportional to 146,717.56, 202,471.86 and 83,053.96 is: 114,615.39
Step by Step Solution
- Step 1: Write the proportion equation
146,717.56 : 202,471.86 = 83,053.96 : x - Step 2: Convert to fraction form
146,717.56/202,471.86 = 83,053.96/x - Step 3: Cross multiply
146,717.56x = 202,471.86 × 83,053.96 - Step 4: Simplify right side
146,717.56x = 16,816,089,761.57 - Step 5: Solve for x
x = 16,816,089,761.57/146,717.56 - Step 6: Final answer
x = 114,615.39
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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.