Finding the Fourth Proportional to 192,408.36, 265,351.68 and 120,795.12
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Solution
The fourth proportional to 192,408.36, 265,351.68 and 120,795.12 is: 166,589.37
Step by Step Solution
- Step 1: Write the proportion equation
192,408.36 : 265,351.68 = 120,795.12 : x - Step 2: Convert to fraction form
192,408.36/265,351.68 = 120,795.12/x - Step 3: Cross multiply
192,408.36x = 265,351.68 × 120,795.12 - Step 4: Simplify right side
192,408.36x = 32,053,188,027.80 - Step 5: Solve for x
x = 32,053,188,027.80/192,408.36 - Step 6: Final answer
x = 166,589.37
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1.5x scale
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.