Finding the Fourth Proportional to 262,235.40, 393,355.26 and 75,252.84
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Solution
The fourth proportional to 262,235.40, 393,355.26 and 75,252.84 is: 112,879.88
Step by Step Solution
- Step 1: Write the proportion equation
262,235.40 : 393,355.26 = 75,252.84 : x - Step 2: Convert to fraction form
262,235.40/393,355.26 = 75,252.84/x - Step 3: Cross multiply
262,235.40x = 393,355.26 × 75,252.84 - Step 4: Simplify right side
262,235.40x = 29,601,100,443.94 - Step 5: Solve for x
x = 29,601,100,443.94/262,235.40 - Step 6: Final answer
x = 112,879.88
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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.