Finding the Fourth Proportional to 321,962.84, 444,286.49 and 178,711.62
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Solution
The fourth proportional to 321,962.84, 444,286.49 and 178,711.62 is: 246,609.70
Step by Step Solution
- Step 1: Write the proportion equation
321,962.84 : 444,286.49 = 178,711.62 : x - Step 2: Convert to fraction form
321,962.84/444,286.49 = 178,711.62/x - Step 3: Cross multiply
321,962.84x = 444,286.49 × 178,711.62 - Step 4: Simplify right side
321,962.84x = 79,399,158,372.01 - Step 5: Solve for x
x = 79,399,158,372.01/321,962.84 - Step 6: Final answer
x = 246,609.70
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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.