Finding the Fourth Proportional to 110,851.20, 166,342.36 and 40,779.68
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Solution
The fourth proportional to 110,851.20, 166,342.36 and 40,779.68 is: 61,193.64
Step by Step Solution
- Step 1: Write the proportion equation
110,851.20 : 166,342.36 = 40,779.68 : x - Step 2: Convert to fraction form
110,851.20/166,342.36 = 40,779.68/x - Step 3: Cross multiply
110,851.20x = 166,342.36 × 40,779.68 - Step 4: Simplify right side
110,851.20x = 6,783,388,211.24 - Step 5: Solve for x
x = 6,783,388,211.24/110,851.20 - Step 6: Final answer
x = 61,193.64
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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.