Finding the Fourth Proportional to 378,582.39, 522,445.33 and 206,504.05
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Solution
The fourth proportional to 378,582.39, 522,445.33 and 206,504.05 is: 284,976.48
Step by Step Solution
- Step 1: Write the proportion equation
378,582.39 : 522,445.33 = 206,504.05 : x - Step 2: Convert to fraction form
378,582.39/522,445.33 = 206,504.05/x - Step 3: Cross multiply
378,582.39x = 522,445.33 × 206,504.05 - Step 4: Simplify right side
378,582.39x = 107,887,076,548.59 - Step 5: Solve for x
x = 107,887,076,548.59/378,582.39 - Step 6: Final answer
x = 284,976.48
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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.