Finding the Fourth Proportional to 221,906.94, 306,236.97 and 134,693.03
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Solution
The fourth proportional to 221,906.94, 306,236.97 and 134,693.03 is: 185,879.65
Step by Step Solution
- Step 1: Write the proportion equation
221,906.94 : 306,236.97 = 134,693.03 : x - Step 2: Convert to fraction form
221,906.94/306,236.97 = 134,693.03/x - Step 3: Cross multiply
221,906.94x = 306,236.97 × 134,693.03 - Step 4: Simplify right side
221,906.94x = 41,247,983,856.13 - Step 5: Solve for x
x = 41,247,983,856.13/221,906.94 - Step 6: Final answer
x = 185,879.65
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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.