Finding the Fourth Proportional to 346,112.28, 477,604.62 and 193,138.92
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Solution
The fourth proportional to 346,112.28, 477,604.62 and 193,138.92 is: 266,514.79
Step by Step Solution
- Step 1: Write the proportion equation
346,112.28 : 477,604.62 = 193,138.92 : x - Step 2: Convert to fraction form
346,112.28/477,604.62 = 193,138.92/x - Step 3: Cross multiply
346,112.28x = 477,604.62 × 193,138.92 - Step 4: Simplify right side
346,112.28x = 92,244,040,493.81 - Step 5: Solve for x
x = 92,244,040,493.81/346,112.28 - Step 6: Final answer
x = 266,514.79
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1.5x scale
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.