Finding the Fourth Proportional to 201,215.88, 277,658.82 and 120,628.44
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Solution
The fourth proportional to 201,215.88, 277,658.82 and 120,628.44 is: 166,455.80
Step by Step Solution
- Step 1: Write the proportion equation
201,215.88 : 277,658.82 = 120,628.44 : x - Step 2: Convert to fraction form
201,215.88/277,658.82 = 120,628.44/x - Step 3: Cross multiply
201,215.88x = 277,658.82 × 120,628.44 - Step 4: Simplify right side
201,215.88x = 33,493,550,308.84 - Step 5: Solve for x
x = 33,493,550,308.84/201,215.88 - Step 6: Final answer
x = 166,455.80
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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.