Finding the Fourth Proportional to 262,908.05, 394,204.12 and 102,793.22
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Solution
The fourth proportional to 262,908.05, 394,204.12 and 102,793.22 is: 154,128.07
Step by Step Solution
- Step 1: Write the proportion equation
262,908.05 : 394,204.12 = 102,793.22 : x - Step 2: Convert to fraction form
262,908.05/394,204.12 = 102,793.22/x - Step 3: Cross multiply
262,908.05x = 394,204.12 × 102,793.22 - Step 4: Simplify right side
262,908.05x = 40,521,510,082.33 - Step 5: Solve for x
x = 40,521,510,082.33/262,908.05 - Step 6: Final answer
x = 154,128.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.