Finding the Fourth Proportional to 146,660.92, 202,395.10 and 82,998.70
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Solution
The fourth proportional to 146,660.92, 202,395.10 and 82,998.70 is: 114,539.92
Step by Step Solution
- Step 1: Write the proportion equation
146,660.92 : 202,395.10 = 82,998.70 : x - Step 2: Convert to fraction form
146,660.92/202,395.10 = 82,998.70/x - Step 3: Cross multiply
146,660.92x = 202,395.10 × 82,998.70 - Step 4: Simplify right side
146,660.92x = 16,798,530,186.37 - Step 5: Solve for x
x = 16,798,530,186.37/146,660.92 - Step 6: Final answer
x = 114,539.92
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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.