Finding the Fourth Proportional to 201,142.37, 301,713.56 and 51,382.99
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Solution
The fourth proportional to 201,142.37, 301,713.56 and 51,382.99 is: 77,074.49
Step by Step Solution
- Step 1: Write the proportion equation
201,142.37 : 301,713.56 = 51,382.99 : x - Step 2: Convert to fraction form
201,142.37/301,713.56 = 51,382.99/x - Step 3: Cross multiply
201,142.37x = 301,713.56 × 51,382.99 - Step 4: Simplify right side
201,142.37x = 15,502,945,149.26 - Step 5: Solve for x
x = 15,502,945,149.26/201,142.37 - Step 6: Final answer
x = 77,074.49
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1.5x scale
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.