Finding the Fourth Proportional to 358,199.70, 494,305.38 and 194,851.05
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Solution
The fourth proportional to 358,199.70, 494,305.38 and 194,851.05 is: 268,888.90
Step by Step Solution
- Step 1: Write the proportion equation
358,199.70 : 494,305.38 = 194,851.05 : x - Step 2: Convert to fraction form
358,199.70/494,305.38 = 194,851.05/x - Step 3: Cross multiply
358,199.70x = 494,305.38 × 194,851.05 - Step 4: Simplify right side
358,199.70x = 96,315,922,313.65 - Step 5: Solve for x
x = 96,315,922,313.65/358,199.70 - Step 6: Final answer
x = 268,888.90
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1.5x scale
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.