Finding the Fourth Proportional to 259,046.37, 388,621.95 and 109,286.99
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Solution
The fourth proportional to 259,046.37, 388,621.95 and 109,286.99 is: 163,952.59
Step by Step Solution
- Step 1: Write the proportion equation
259,046.37 : 388,621.95 = 109,286.99 : x - Step 2: Convert to fraction form
259,046.37/388,621.95 = 109,286.99/x - Step 3: Cross multiply
259,046.37x = 388,621.95 × 109,286.99 - Step 4: Simplify right side
259,046.37x = 42,471,322,882.57 - Step 5: Solve for x
x = 42,471,322,882.57/259,046.37 - Step 6: Final answer
x = 163,952.59
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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.