Finding the Fourth Proportional to 201,173.40, 301,322.70 and 122,149.80
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Solution
The fourth proportional to 201,173.40, 301,322.70 and 122,149.80 is: 182,959.12
Step by Step Solution
- Step 1: Write the proportion equation
201,173.40 : 301,322.70 = 122,149.80 : x - Step 2: Convert to fraction form
201,173.40/301,322.70 = 122,149.80/x - Step 3: Cross multiply
201,173.40x = 301,322.70 × 122,149.80 - Step 4: Simplify right side
201,173.40x = 36,806,507,540.46 - Step 5: Solve for x
x = 36,806,507,540.46/201,173.40 - Step 6: Final answer
x = 182,959.12
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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.