Finding the Fourth Proportional to 126,845.70, 190,270.44 and 60,292.68
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Solution
The fourth proportional to 126,845.70, 190,270.44 and 60,292.68 is: 90,439.92
Step by Step Solution
- Step 1: Write the proportion equation
126,845.70 : 190,270.44 = 60,292.68 : x - Step 2: Convert to fraction form
126,845.70/190,270.44 = 60,292.68/x - Step 3: Cross multiply
126,845.70x = 190,270.44 × 60,292.68 - Step 4: Simplify right side
126,845.70x = 11,471,914,752.38 - Step 5: Solve for x
x = 11,471,914,752.38/126,845.70 - Step 6: Final answer
x = 90,439.92
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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.