Finding the Fourth Proportional to 321,043.02, 443,033.93 and 177,799.99
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Solution
The fourth proportional to 321,043.02, 443,033.93 and 177,799.99 is: 245,360.97
Step by Step Solution
- Step 1: Write the proportion equation
321,043.02 : 443,033.93 = 177,799.99 : x - Step 2: Convert to fraction form
321,043.02/443,033.93 = 177,799.99/x - Step 3: Cross multiply
321,043.02x = 443,033.93 × 177,799.99 - Step 4: Simplify right side
321,043.02x = 78,771,428,323.66 - Step 5: Solve for x
x = 78,771,428,323.66/321,043.02 - Step 6: Final answer
x = 245,360.97
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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.