Finding the Fourth Proportional to 395,236.94, 592,949.88 and 128,997.96
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Solution
The fourth proportional to 395,236.94, 592,949.88 and 128,997.96 is: 193,527.77
Step by Step Solution
- Step 1: Write the proportion equation
395,236.94 : 592,949.88 = 128,997.96 : x - Step 2: Convert to fraction form
395,236.94/592,949.88 = 128,997.96/x - Step 3: Cross multiply
395,236.94x = 592,949.88 × 128,997.96 - Step 4: Simplify right side
395,236.94x = 76,489,324,902.24 - Step 5: Solve for x
x = 76,489,324,902.24/395,236.94 - Step 6: Final answer
x = 193,527.77
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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.