Finding the Fourth Proportional to 321,040.02, 443,029.79 and 177,796.99
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Solution
The fourth proportional to 321,040.02, 443,029.79 and 177,796.99 is: 245,356.83
Step by Step Solution
- Step 1: Write the proportion equation
321,040.02 : 443,029.79 = 177,796.99 : x - Step 2: Convert to fraction form
321,040.02/443,029.79 = 177,796.99/x - Step 3: Cross multiply
321,040.02x = 443,029.79 × 177,796.99 - Step 4: Simplify right side
321,040.02x = 78,769,363,142.33 - Step 5: Solve for x
x = 78,769,363,142.33/321,040.02 - Step 6: Final answer
x = 245,356.83
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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.