Finding the Fourth Proportional to 320,902.67, 481,408.67 and 161,054.84
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Solution
The fourth proportional to 320,902.67, 481,408.67 and 161,054.84 is: 241,609.70
Step by Step Solution
- Step 1: Write the proportion equation
320,902.67 : 481,408.67 = 161,054.84 : x - Step 2: Convert to fraction form
320,902.67/481,408.67 = 161,054.84/x - Step 3: Cross multiply
320,902.67x = 481,408.67 × 161,054.84 - Step 4: Simplify right side
320,902.67x = 77,533,196,321.46 - Step 5: Solve for x
x = 77,533,196,321.46/320,902.67 - Step 6: Final answer
x = 241,609.70
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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.