Finding the Fourth Proportional to 134,266.09, 201,453.87 and 86,288.44
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Solution
The fourth proportional to 134,266.09, 201,453.87 and 86,288.44 is: 129,467.84
Step by Step Solution
- Step 1: Write the proportion equation
134,266.09 : 201,453.87 = 86,288.44 : x - Step 2: Convert to fraction form
134,266.09/201,453.87 = 86,288.44/x - Step 3: Cross multiply
134,266.09x = 201,453.87 × 86,288.44 - Step 4: Simplify right side
134,266.09x = 17,383,140,174.26 - Step 5: Solve for x
x = 17,383,140,174.26/134,266.09 - Step 6: Final answer
x = 129,467.84
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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.