Finding the Fourth Proportional to 262,378.14, 393,758.37 and 104,651.70
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Solution
The fourth proportional to 262,378.14, 393,758.37 and 104,651.70 is: 157,053.80
Step by Step Solution
- Step 1: Write the proportion equation
262,378.14 : 393,758.37 = 104,651.70 : x - Step 2: Convert to fraction form
262,378.14/393,758.37 = 104,651.70/x - Step 3: Cross multiply
262,378.14x = 393,758.37 × 104,651.70 - Step 4: Simplify right side
262,378.14x = 41,207,482,809.73 - Step 5: Solve for x
x = 41,207,482,809.73/262,378.14 - Step 6: Final answer
x = 157,053.80
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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.