Finding the Fourth Proportional to 305,226.99, 457,906.10 and 102,843.21
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Solution
The fourth proportional to 305,226.99, 457,906.10 and 102,843.21 is: 154,286.92
Step by Step Solution
- Step 1: Write the proportion equation
305,226.99 : 457,906.10 = 102,843.21 : x - Step 2: Convert to fraction form
305,226.99/457,906.10 = 102,843.21/x - Step 3: Cross multiply
305,226.99x = 457,906.10 × 102,843.21 - Step 4: Simplify right side
305,226.99x = 47,092,533,202.58 - Step 5: Solve for x
x = 47,092,533,202.58/305,226.99 - Step 6: Final answer
x = 154,286.92
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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.