Finding the Fourth Proportional to 395,911.20, 593,997.12 and 263,313.12
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Solution
The fourth proportional to 395,911.20, 593,997.12 and 263,313.12 is: 395,056.35
Step by Step Solution
- Step 1: Write the proportion equation
395,911.20 : 593,997.12 = 263,313.12 : x - Step 2: Convert to fraction form
395,911.20/593,997.12 = 263,313.12/x - Step 3: Cross multiply
395,911.20x = 593,997.12 × 263,313.12 - Step 4: Simplify right side
395,911.20x = 156,407,234,938.21 - Step 5: Solve for x
x = 156,407,234,938.21/395,911.20 - Step 6: Final answer
x = 395,056.35
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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.