Finding the Fourth Proportional to 80,296.96, 120,463.08 and 26,986.96
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Solution
The fourth proportional to 80,296.96, 120,463.08 and 26,986.96 is: 40,486.37
Step by Step Solution
- Step 1: Write the proportion equation
80,296.96 : 120,463.08 = 26,986.96 : x - Step 2: Convert to fraction form
80,296.96/120,463.08 = 26,986.96/x - Step 3: Cross multiply
80,296.96x = 120,463.08 × 26,986.96 - Step 4: Simplify right side
80,296.96x = 3,250,932,321.44 - Step 5: Solve for x
x = 3,250,932,321.44/80,296.96 - Step 6: Final answer
x = 40,486.37
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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.