Finding the Fourth Proportional to 296,286.87, 408,872.91 and 160,317.84
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Solution
The fourth proportional to 296,286.87, 408,872.91 and 160,317.84 is: 221,237.01
Step by Step Solution
- Step 1: Write the proportion equation
296,286.87 : 408,872.91 = 160,317.84 : x - Step 2: Convert to fraction form
296,286.87/408,872.91 = 160,317.84/x - Step 3: Cross multiply
296,286.87x = 408,872.91 × 160,317.84 - Step 4: Simplify right side
296,286.87x = 65,549,621,765.71 - Step 5: Solve for x
x = 65,549,621,765.71/296,286.87 - Step 6: Final answer
x = 221,237.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.