Finding the Fourth Proportional to 126,440.18, 189,660.26 and 37,755.96
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Solution
The fourth proportional to 126,440.18, 189,660.26 and 37,755.96 is: 56,633.94
Step by Step Solution
- Step 1: Write the proportion equation
126,440.18 : 189,660.26 = 37,755.96 : x - Step 2: Convert to fraction form
126,440.18/189,660.26 = 37,755.96/x - Step 3: Cross multiply
126,440.18x = 189,660.26 × 37,755.96 - Step 4: Simplify right side
126,440.18x = 7,160,805,001.37 - Step 5: Solve for x
x = 7,160,805,001.37/126,440.18 - Step 6: Final answer
x = 56,633.94
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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.