Finding the Fourth Proportional to 206,847.79, 285,457.37 and 116,201.80
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Solution
The fourth proportional to 206,847.79, 285,457.37 and 116,201.80 is: 160,362.65
Step by Step Solution
- Step 1: Write the proportion equation
206,847.79 : 285,457.37 = 116,201.80 : x - Step 2: Convert to fraction form
206,847.79/285,457.37 = 116,201.80/x - Step 3: Cross multiply
206,847.79x = 285,457.37 × 116,201.80 - Step 4: Simplify right side
206,847.79x = 33,170,660,217.27 - Step 5: Solve for x
x = 33,170,660,217.27/206,847.79 - Step 6: Final answer
x = 160,362.65
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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.