Finding the Fourth Proportional to 378,184.63, 567,344.41 and 125,480.28
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Solution
The fourth proportional to 378,184.63, 567,344.41 and 125,480.28 is: 188,242.80
Step by Step Solution
- Step 1: Write the proportion equation
378,184.63 : 567,344.41 = 125,480.28 : x - Step 2: Convert to fraction form
378,184.63/567,344.41 = 125,480.28/x - Step 3: Cross multiply
378,184.63x = 567,344.41 × 125,480.28 - Step 4: Simplify right side
378,184.63x = 71,190,534,035.21 - Step 5: Solve for x
x = 71,190,534,035.21/378,184.63 - Step 6: Final answer
x = 188,242.80
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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.