Finding the Fourth Proportional to 189,052.99, 260,883.28 and 117,431.57
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Solution
The fourth proportional to 189,052.99, 260,883.28 and 117,431.57 is: 162,049.46
Step by Step Solution
- Step 1: Write the proportion equation
189,052.99 : 260,883.28 = 117,431.57 : x - Step 2: Convert to fraction form
189,052.99/260,883.28 = 117,431.57/x - Step 3: Cross multiply
189,052.99x = 260,883.28 × 117,431.57 - Step 4: Simplify right side
189,052.99x = 30,635,933,956.15 - Step 5: Solve for x
x = 30,635,933,956.15/189,052.99 - Step 6: Final answer
x = 162,049.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.