Finding the Fourth Proportional to 477,877.14, 659,364.57 and 276,556.50
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Solution
The fourth proportional to 477,877.14, 659,364.57 and 276,556.50 is: 381,586.69
Step by Step Solution
- Step 1: Write the proportion equation
477,877.14 : 659,364.57 = 276,556.50 : x - Step 2: Convert to fraction form
477,877.14/659,364.57 = 276,556.50/x - Step 3: Cross multiply
477,877.14x = 659,364.57 × 276,556.50 - Step 4: Simplify right side
477,877.14x = 182,351,557,703.21 - Step 5: Solve for x
x = 182,351,557,703.21/477,877.14 - Step 6: Final answer
x = 381,586.69
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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.