Finding the Fourth Proportional to 271,912.18, 375,283.76 and 226,518.27
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Solution
The fourth proportional to 271,912.18, 375,283.76 and 226,518.27 is: 312,632.66
Step by Step Solution
- Step 1: Write the proportion equation
271,912.18 : 375,283.76 = 226,518.27 : x - Step 2: Convert to fraction form
271,912.18/375,283.76 = 226,518.27/x - Step 3: Cross multiply
271,912.18x = 375,283.76 × 226,518.27 - Step 4: Simplify right side
271,912.18x = 85,008,628,074.30 - Step 5: Solve for x
x = 85,008,628,074.30/271,912.18 - Step 6: Final answer
x = 312,632.66
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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.