Finding the Fourth Proportional to 323,042.21, 445,678.68 and 322,544.00
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Solution
The fourth proportional to 323,042.21, 445,678.68 and 322,544.00 is: 444,991.32
Step by Step Solution
- Step 1: Write the proportion equation
323,042.21 : 445,678.68 = 322,544.00 : x - Step 2: Convert to fraction form
323,042.21/445,678.68 = 322,544.00/x - Step 3: Cross multiply
323,042.21x = 445,678.68 × 322,544.00 - Step 4: Simplify right side
323,042.21x = 143,750,981,933.53 - Step 5: Solve for x
x = 143,750,981,933.53/323,042.21 - Step 6: Final answer
x = 444,991.32
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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.