Finding the Fourth Proportional to 124,361.28, 186,568.56 and 40,126.26
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Solution
The fourth proportional to 124,361.28, 186,568.56 and 40,126.26 is: 60,197.99
Step by Step Solution
- Step 1: Write the proportion equation
124,361.28 : 186,568.56 = 40,126.26 : x - Step 2: Convert to fraction form
124,361.28/186,568.56 = 40,126.26/x - Step 3: Cross multiply
124,361.28x = 186,568.56 × 40,126.26 - Step 4: Simplify right side
124,361.28x = 7,486,298,546.39 - Step 5: Solve for x
x = 7,486,298,546.39/124,361.28 - Step 6: Final answer
x = 60,197.99
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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.