Finding the Fourth Proportional to 110,849.20, 166,339.36 and 40,777.68
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Solution
The fourth proportional to 110,849.20, 166,339.36 and 40,777.68 is: 61,190.64
Step by Step Solution
- Step 1: Write the proportion equation
110,849.20 : 166,339.36 = 40,777.68 : x - Step 2: Convert to fraction form
110,849.20/166,339.36 = 40,777.68/x - Step 3: Cross multiply
110,849.20x = 166,339.36 × 40,777.68 - Step 4: Simplify right side
110,849.20x = 6,782,933,193.48 - Step 5: Solve for x
x = 6,782,933,193.48/110,849.20 - Step 6: Final answer
x = 61,190.64
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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.