Finding the Fourth Proportional to 134,265.09, 201,452.37 and 86,287.44
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Solution
The fourth proportional to 134,265.09, 201,452.37 and 86,287.44 is: 129,466.34
Step by Step Solution
- Step 1: Write the proportion equation
134,265.09 : 201,452.37 = 86,287.44 : x - Step 2: Convert to fraction form
134,265.09/201,452.37 = 86,287.44/x - Step 3: Cross multiply
134,265.09x = 201,452.37 × 86,287.44 - Step 4: Simplify right side
134,265.09x = 17,382,809,289.23 - Step 5: Solve for x
x = 17,382,809,289.23/134,265.09 - Step 6: Final answer
x = 129,466.34
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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.