Finding the Fourth Proportional to 283,583.22, 391,372.43 and 211,838.69
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Solution
The fourth proportional to 283,583.22, 391,372.43 and 211,838.69 is: 292,357.99
Step by Step Solution
- Step 1: Write the proportion equation
283,583.22 : 391,372.43 = 211,838.69 : x - Step 2: Convert to fraction form
283,583.22/391,372.43 = 211,838.69/x - Step 3: Cross multiply
283,583.22x = 391,372.43 × 211,838.69 - Step 4: Simplify right side
283,583.22x = 82,907,819,857.26 - Step 5: Solve for x
x = 82,907,819,857.26/283,583.22 - Step 6: Final answer
x = 292,357.99
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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.