Finding the Fourth Proportional to 207,551.20, 311,323.60 and 140,825.44
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Solution
The fourth proportional to 207,551.20, 311,323.60 and 140,825.44 is: 211,235.99
Step by Step Solution
- Step 1: Write the proportion equation
207,551.20 : 311,323.60 = 140,825.44 : x - Step 2: Convert to fraction form
207,551.20/311,323.60 = 140,825.44/x - Step 3: Cross multiply
207,551.20x = 311,323.60 × 140,825.44 - Step 4: Simplify right side
207,551.20x = 43,842,282,952.38 - Step 5: Solve for x
x = 43,842,282,952.38/207,551.20 - Step 6: Final answer
x = 211,235.99
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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.