Finding the Fourth Proportional to 355,286.86, 490,289.96 and 194,138.44
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Solution
The fourth proportional to 355,286.86, 490,289.96 and 194,138.44 is: 267,907.82
Step by Step Solution
- Step 1: Write the proportion equation
355,286.86 : 490,289.96 = 194,138.44 : x - Step 2: Convert to fraction form
355,286.86/490,289.96 = 194,138.44/x - Step 3: Cross multiply
355,286.86x = 490,289.96 × 194,138.44 - Step 4: Simplify right side
355,286.86x = 95,184,127,241.68 - Step 5: Solve for x
x = 95,184,127,241.68/355,286.86 - Step 6: Final answer
x = 267,907.82
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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.