Finding the Fourth Proportional to 189,058.92, 260,742.42 and 113,592.84
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Solution
The fourth proportional to 189,058.92, 260,742.42 and 113,592.84 is: 156,662.65
Step by Step Solution
- Step 1: Write the proportion equation
189,058.92 : 260,742.42 = 113,592.84 : x - Step 2: Convert to fraction form
189,058.92/260,742.42 = 113,592.84/x - Step 3: Cross multiply
189,058.92x = 260,742.42 × 113,592.84 - Step 4: Simplify right side
189,058.92x = 29,618,471,996.27 - Step 5: Solve for x
x = 29,618,471,996.27/189,058.92 - Step 6: Final answer
x = 156,662.65
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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.