Finding the Fourth Proportional to 321,039.02, 443,028.41 and 177,795.99
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Solution
The fourth proportional to 321,039.02, 443,028.41 and 177,795.99 is: 245,355.45
Step by Step Solution
- Step 1: Write the proportion equation
321,039.02 : 443,028.41 = 177,795.99 : x - Step 2: Convert to fraction form
321,039.02/443,028.41 = 177,795.99/x - Step 3: Cross multiply
321,039.02x = 443,028.41 × 177,795.99 - Step 4: Simplify right side
321,039.02x = 78,768,674,754.08 - Step 5: Solve for x
x = 78,768,674,754.08/321,039.02 - Step 6: Final answer
x = 245,355.45
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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.