Finding the Fourth Proportional to 321,850.54, 444,153.99 and 178,610.70
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Solution
The fourth proportional to 321,850.54, 444,153.99 and 178,610.70 is: 246,482.90
Step by Step Solution
- Step 1: Write the proportion equation
321,850.54 : 444,153.99 = 178,610.70 : x - Step 2: Convert to fraction form
321,850.54/444,153.99 = 178,610.70/x - Step 3: Cross multiply
321,850.54x = 444,153.99 × 178,610.70 - Step 4: Simplify right side
321,850.54x = 79,330,655,061.69 - Step 5: Solve for x
x = 79,330,655,061.69/321,850.54 - Step 6: Final answer
x = 246,482.90
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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.