Finding the Fourth Proportional to 324,839.36, 487,311.60 and 100,147.26
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Solution
The fourth proportional to 324,839.36, 487,311.60 and 100,147.26 is: 150,237.09
Step by Step Solution
- Step 1: Write the proportion equation
324,839.36 : 487,311.60 = 100,147.26 : x - Step 2: Convert to fraction form
324,839.36/487,311.60 = 100,147.26/x - Step 3: Cross multiply
324,839.36x = 487,311.60 × 100,147.26 - Step 4: Simplify right side
324,839.36x = 48,802,921,506.22 - Step 5: Solve for x
x = 48,802,921,506.22/324,839.36 - Step 6: Final answer
x = 150,237.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.