Finding the Fourth Proportional to 415,367.37, 624,351.60 and 274,120.31
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Solution
The fourth proportional to 415,367.37, 624,351.60 and 274,120.31 is: 412,038.75
Step by Step Solution
- Step 1: Write the proportion equation
415,367.37 : 624,351.60 = 274,120.31 : x - Step 2: Convert to fraction form
415,367.37/624,351.60 = 274,120.31/x - Step 3: Cross multiply
415,367.37x = 624,351.60 × 274,120.31 - Step 4: Simplify right side
415,367.37x = 171,147,452,770.39 - Step 5: Solve for x
x = 171,147,452,770.39/415,367.37 - Step 6: Final answer
x = 412,038.75
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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.