Finding the Fourth Proportional to 370,939.20, 511,896.69 and 201,173.46
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Solution
The fourth proportional to 370,939.20, 511,896.69 and 201,173.46 is: 277,619.70
Step by Step Solution
- Step 1: Write the proportion equation
370,939.20 : 511,896.69 = 201,173.46 : x - Step 2: Convert to fraction form
370,939.20/511,896.69 = 201,173.46/x - Step 3: Cross multiply
370,939.20x = 511,896.69 × 201,173.46 - Step 4: Simplify right side
370,939.20x = 102,980,028,289.85 - Step 5: Solve for x
x = 102,980,028,289.85/370,939.20 - Step 6: Final answer
x = 277,619.70
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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.