Finding the Fourth Proportional to 370,729.11, 556,136.91 and 134,183.19
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Solution
The fourth proportional to 370,729.11, 556,136.91 and 134,183.19 is: 201,290.44
Step by Step Solution
- Step 1: Write the proportion equation
370,729.11 : 556,136.91 = 134,183.19 : x - Step 2: Convert to fraction form
370,729.11/556,136.91 = 134,183.19/x - Step 3: Cross multiply
370,729.11x = 556,136.91 × 134,183.19 - Step 4: Simplify right side
370,729.11x = 74,624,224,660.54 - Step 5: Solve for x
x = 74,624,224,660.54/370,729.11 - Step 6: Final answer
x = 201,290.44
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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.