Finding the Fourth Proportional to 206,122.44, 284,457.13 and 115,479.15
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Solution
The fourth proportional to 206,122.44, 284,457.13 and 115,479.15 is: 159,365.80
Step by Step Solution
- Step 1: Write the proportion equation
206,122.44 : 284,457.13 = 115,479.15 : x - Step 2: Convert to fraction form
206,122.44/284,457.13 = 115,479.15/x - Step 3: Cross multiply
206,122.44x = 284,457.13 × 115,479.15 - Step 4: Simplify right side
206,122.44x = 32,848,867,295.14 - Step 5: Solve for x
x = 32,848,867,295.14/206,122.44 - Step 6: Final answer
x = 159,365.80
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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.