Finding the Fourth Proportional to 378,283.35, 522,027.69 and 206,201.37
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Solution
The fourth proportional to 378,283.35, 522,027.69 and 206,201.37 is: 284,556.07
Step by Step Solution
- Step 1: Write the proportion equation
378,283.35 : 522,027.69 = 206,201.37 : x - Step 2: Convert to fraction form
378,283.35/522,027.69 = 206,201.37/x - Step 3: Cross multiply
378,283.35x = 522,027.69 × 206,201.37 - Step 4: Simplify right side
378,283.35x = 107,642,824,855.94 - Step 5: Solve for x
x = 107,642,824,855.94/378,283.35 - Step 6: Final answer
x = 284,556.07
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1.5x scale
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.