Finding the Fourth Proportional to 102,183.75, 153,209.21 and 48,846.87
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Solution
The fourth proportional to 102,183.75, 153,209.21 and 48,846.87 is: 73,238.55
Step by Step Solution
- Step 1: Write the proportion equation
102,183.75 : 153,209.21 = 48,846.87 : x - Step 2: Convert to fraction form
102,183.75/153,209.21 = 48,846.87/x - Step 3: Cross multiply
102,183.75x = 153,209.21 × 48,846.87 - Step 4: Simplify right side
102,183.75x = 7,483,790,119.44 - Step 5: Solve for x
x = 7,483,790,119.44/102,183.75 - Step 6: Final answer
x = 73,238.55
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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.