Finding the Fourth Proportional to 263,783.21, 395,259.84 and 203,957.82
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Solution
The fourth proportional to 263,783.21, 395,259.84 and 203,957.82 is: 305,615.88
Step by Step Solution
- Step 1: Write the proportion equation
263,783.21 : 395,259.84 = 203,957.82 : x - Step 2: Convert to fraction form
263,783.21/395,259.84 = 203,957.82/x - Step 3: Cross multiply
263,783.21x = 395,259.84 × 203,957.82 - Step 4: Simplify right side
263,783.21x = 80,616,335,299.95 - Step 5: Solve for x
x = 80,616,335,299.95/263,783.21 - Step 6: Final answer
x = 305,615.88
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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.