Finding the Fourth Proportional to 120,289.34, 180,446.16 and 41,393.18
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Solution
The fourth proportional to 120,289.34, 180,446.16 and 41,393.18 is: 62,093.95
Step by Step Solution
- Step 1: Write the proportion equation
120,289.34 : 180,446.16 = 41,393.18 : x - Step 2: Convert to fraction form
120,289.34/180,446.16 = 41,393.18/x - Step 3: Cross multiply
120,289.34x = 180,446.16 × 41,393.18 - Step 4: Simplify right side
120,289.34x = 7,469,240,381.19 - Step 5: Solve for x
x = 7,469,240,381.19/120,289.34 - Step 6: Final answer
x = 62,093.95
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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.