Finding the Fourth Proportional to 361,183.84, 541,419.12 and 171,311.20
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Solution
The fourth proportional to 361,183.84, 541,419.12 and 171,311.20 is: 256,797.64
Step by Step Solution
- Step 1: Write the proportion equation
361,183.84 : 541,419.12 = 171,311.20 : x - Step 2: Convert to fraction form
361,183.84/541,419.12 = 171,311.20/x - Step 3: Cross multiply
361,183.84x = 541,419.12 × 171,311.20 - Step 4: Simplify right side
361,183.84x = 92,751,159,150.14 - Step 5: Solve for x
x = 92,751,159,150.14/361,183.84 - Step 6: Final answer
x = 256,797.64
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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.