Finding the Fourth Proportional to 120,408.24, 180,559.99 and 64,235.82
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Solution
The fourth proportional to 120,408.24, 180,559.99 and 64,235.82 is: 96,325.79
Step by Step Solution
- Step 1: Write the proportion equation
120,408.24 : 180,559.99 = 64,235.82 : x - Step 2: Convert to fraction form
120,408.24/180,559.99 = 64,235.82/x - Step 3: Cross multiply
120,408.24x = 180,559.99 × 64,235.82 - Step 4: Simplify right side
120,408.24x = 11,598,419,016.84 - Step 5: Solve for x
x = 11,598,419,016.84/120,408.24 - Step 6: Final answer
x = 96,325.79
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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.