Finding the Fourth Proportional to 189,908.92, 261,474.42 and 167,232.52
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Solution
The fourth proportional to 189,908.92, 261,474.42 and 167,232.52 is: 230,252.62
Step by Step Solution
- Step 1: Write the proportion equation
189,908.92 : 261,474.42 = 167,232.52 : x - Step 2: Convert to fraction form
189,908.92/261,474.42 = 167,232.52/x - Step 3: Cross multiply
189,908.92x = 261,474.42 × 167,232.52 - Step 4: Simplify right side
189,908.92x = 43,727,026,172.14 - Step 5: Solve for x
x = 43,727,026,172.14/189,908.92 - Step 6: Final answer
x = 230,252.62
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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.