Finding the Fourth Proportional to 74,270.08, 111,408.78 and 27,512.02
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Solution
The fourth proportional to 74,270.08, 111,408.78 and 27,512.02 is: 41,269.39
Step by Step Solution
- Step 1: Write the proportion equation
74,270.08 : 111,408.78 = 27,512.02 : x - Step 2: Convert to fraction form
74,270.08/111,408.78 = 27,512.02/x - Step 3: Cross multiply
74,270.08x = 111,408.78 × 27,512.02 - Step 4: Simplify right side
74,270.08x = 3,065,080,583.54 - Step 5: Solve for x
x = 3,065,080,583.54/74,270.08 - Step 6: Final answer
x = 41,269.39
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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.