Finding the Fourth Proportional to 281,469.47, 422,205.08 and 68,236.53
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Solution
The fourth proportional to 281,469.47, 422,205.08 and 68,236.53 is: 102,355.00
Step by Step Solution
- Step 1: Write the proportion equation
281,469.47 : 422,205.08 = 68,236.53 : x - Step 2: Convert to fraction form
281,469.47/422,205.08 = 68,236.53/x - Step 3: Cross multiply
281,469.47x = 422,205.08 × 68,236.53 - Step 4: Simplify right side
281,469.47x = 28,809,807,683.12 - Step 5: Solve for x
x = 28,809,807,683.12/281,469.47 - Step 6: Final answer
x = 102,355.00
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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.