Finding the Fourth Proportional to 138,972.26, 208,456.17 and 44,201.07
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Solution
The fourth proportional to 138,972.26, 208,456.17 and 44,201.07 is: 66,300.90
Step by Step Solution
- Step 1: Write the proportion equation
138,972.26 : 208,456.17 = 44,201.07 : x - Step 2: Convert to fraction form
138,972.26/208,456.17 = 44,201.07/x - Step 3: Cross multiply
138,972.26x = 208,456.17 × 44,201.07 - Step 4: Simplify right side
138,972.26x = 9,213,985,762.10 - Step 5: Solve for x
x = 9,213,985,762.10/138,972.26 - Step 6: Final answer
x = 66,300.90
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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.