Finding the Fourth Proportional to 442,717.38, 664,161.39 and 143,272.26
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Solution
The fourth proportional to 442,717.38, 664,161.39 and 143,272.26 is: 214,936.00
Step by Step Solution
- Step 1: Write the proportion equation
442,717.38 : 664,161.39 = 143,272.26 : x - Step 2: Convert to fraction form
442,717.38/664,161.39 = 143,272.26/x - Step 3: Cross multiply
442,717.38x = 664,161.39 × 143,272.26 - Step 4: Simplify right side
442,717.38x = 95,155,903,350.04 - Step 5: Solve for x
x = 95,155,903,350.04/442,717.38 - Step 6: Final answer
x = 214,936.00
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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.