Finding the Fourth Proportional to 279,249.52, 415,715.71 and 277,588.75
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Solution
The fourth proportional to 279,249.52, 415,715.71 and 277,588.75 is: 413,243.33
Step by Step Solution
- Step 1: Write the proportion equation
279,249.52 : 415,715.71 = 277,588.75 : x - Step 2: Convert to fraction form
279,249.52/415,715.71 = 277,588.75/x - Step 3: Cross multiply
279,249.52x = 415,715.71 × 277,588.75 - Step 4: Simplify right side
279,249.52x = 115,398,002,906.32 - Step 5: Solve for x
x = 115,398,002,906.32/279,249.52 - Step 6: Final answer
x = 413,243.33
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.