Finding the Fourth Proportional to 150,559.75, 207,772.46 and 83,491.75
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Solution
The fourth proportional to 150,559.75, 207,772.46 and 83,491.75 is: 115,218.62
Step by Step Solution
- Step 1: Write the proportion equation
150,559.75 : 207,772.46 = 83,491.75 : x - Step 2: Convert to fraction form
150,559.75/207,772.46 = 83,491.75/x - Step 3: Cross multiply
150,559.75x = 207,772.46 × 83,491.75 - Step 4: Simplify right side
150,559.75x = 17,347,286,287.21 - Step 5: Solve for x
x = 17,347,286,287.21/150,559.75 - Step 6: Final answer
x = 115,218.62
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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.