Finding the Fourth Proportional to 493,201.44, 680,620.32 and 278,350.56
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Solution
The fourth proportional to 493,201.44, 680,620.32 and 278,350.56 is: 384,125.09
Step by Step Solution
- Step 1: Write the proportion equation
493,201.44 : 680,620.32 = 278,350.56 : x - Step 2: Convert to fraction form
493,201.44/680,620.32 = 278,350.56/x - Step 3: Cross multiply
493,201.44x = 680,620.32 × 278,350.56 - Step 4: Simplify right side
493,201.44x = 189,451,047,219.38 - Step 5: Solve for x
x = 189,451,047,219.38/493,201.44 - Step 6: Final answer
x = 384,125.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.