Finding the Fourth Proportional to 481,221.05, 664,026.66 and 277,337.97
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Solution
The fourth proportional to 481,221.05, 664,026.66 and 277,337.97 is: 382,692.75
Step by Step Solution
- Step 1: Write the proportion equation
481,221.05 : 664,026.66 = 277,337.97 : x - Step 2: Convert to fraction form
481,221.05/664,026.66 = 277,337.97/x - Step 3: Cross multiply
481,221.05x = 664,026.66 × 277,337.97 - Step 4: Simplify right side
481,221.05x = 184,159,805,910.28 - Step 5: Solve for x
x = 184,159,805,910.28/481,221.05 - Step 6: Final answer
x = 382,692.75
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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.