Finding the Fourth Proportional to 194,137.97, 290,961.59 and 87,408.26
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Solution
The fourth proportional to 194,137.97, 290,961.59 and 87,408.26 is: 131,001.93
Step by Step Solution
- Step 1: Write the proportion equation
194,137.97 : 290,961.59 = 87,408.26 : x - Step 2: Convert to fraction form
194,137.97/290,961.59 = 87,408.26/x - Step 3: Cross multiply
194,137.97x = 290,961.59 × 87,408.26 - Step 4: Simplify right side
194,137.97x = 25,432,447,882.16 - Step 5: Solve for x
x = 25,432,447,882.16/194,137.97 - Step 6: Final answer
x = 131,001.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.