Finding the Fourth Proportional to 187,430.97, 281,146.44 and 54,311.31
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Solution
The fourth proportional to 187,430.97, 281,146.44 and 54,311.31 is: 81,466.96
Step by Step Solution
- Step 1: Write the proportion equation
187,430.97 : 281,146.44 = 54,311.31 : x - Step 2: Convert to fraction form
187,430.97/281,146.44 = 54,311.31/x - Step 3: Cross multiply
187,430.97x = 281,146.44 × 54,311.31 - Step 4: Simplify right side
187,430.97x = 15,269,431,458.24 - Step 5: Solve for x
x = 15,269,431,458.24/187,430.97 - Step 6: Final answer
x = 81,466.96
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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.