Finding the Fourth Proportional to 200,753.75, 277,063.32 and 120,181.26
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Solution
The fourth proportional to 200,753.75, 277,063.32 and 120,181.26 is: 165,863.99
Step by Step Solution
- Step 1: Write the proportion equation
200,753.75 : 277,063.32 = 120,181.26 : x - Step 2: Convert to fraction form
200,753.75/277,063.32 = 120,181.26/x - Step 3: Cross multiply
200,753.75x = 277,063.32 × 120,181.26 - Step 4: Simplify right side
200,753.75x = 33,297,818,897.38 - Step 5: Solve for x
x = 33,297,818,897.38/200,753.75 - Step 6: Final answer
x = 165,863.99
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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.