Finding the Fourth Proportional to 265,352.18, 398,183.79 and 190,391.54
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Solution
The fourth proportional to 265,352.18, 398,183.79 and 190,391.54 is: 285,698.90
Step by Step Solution
- Step 1: Write the proportion equation
265,352.18 : 398,183.79 = 190,391.54 : x - Step 2: Convert to fraction form
265,352.18/398,183.79 = 190,391.54/x - Step 3: Cross multiply
265,352.18x = 398,183.79 × 190,391.54 - Step 4: Simplify right side
265,352.18x = 75,810,824,981.14 - Step 5: Solve for x
x = 75,810,824,981.14/265,352.18 - Step 6: Final answer
x = 285,698.90
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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.