Finding the Fourth Proportional to 369,107.28, 509,367.92 and 199,341.44
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Solution
The fourth proportional to 369,107.28, 509,367.92 and 199,341.44 is: 275,091.12
Step by Step Solution
- Step 1: Write the proportion equation
369,107.28 : 509,367.92 = 199,341.44 : x - Step 2: Convert to fraction form
369,107.28/509,367.92 = 199,341.44/x - Step 3: Cross multiply
369,107.28x = 509,367.92 × 199,341.44 - Step 4: Simplify right side
369,107.28x = 101,538,134,662.61 - Step 5: Solve for x
x = 101,538,134,662.61/369,107.28 - Step 6: Final answer
x = 275,091.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.