Finding the Fourth Proportional to 134,267.09, 201,455.37 and 86,289.44
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Solution
The fourth proportional to 134,267.09, 201,455.37 and 86,289.44 is: 129,469.34
Step by Step Solution
- Step 1: Write the proportion equation
134,267.09 : 201,455.37 = 86,289.44 : x - Step 2: Convert to fraction form
134,267.09/201,455.37 = 86,289.44/x - Step 3: Cross multiply
134,267.09x = 201,455.37 × 86,289.44 - Step 4: Simplify right side
134,267.09x = 17,383,471,062.29 - Step 5: Solve for x
x = 17,383,471,062.29/134,267.09 - Step 6: Final answer
x = 129,469.34
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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.