Finding the Fourth Proportional to 358,469.91, 494,412.17 and 222,584.31
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Solution
The fourth proportional to 358,469.91, 494,412.17 and 222,584.31 is: 306,994.78
Step by Step Solution
- Step 1: Write the proportion equation
358,469.91 : 494,412.17 = 222,584.31 : x - Step 2: Convert to fraction form
358,469.91/494,412.17 = 222,584.31/x - Step 3: Cross multiply
358,469.91x = 494,412.17 × 222,584.31 - Step 4: Simplify right side
358,469.91x = 110,048,390,602.13 - Step 5: Solve for x
x = 110,048,390,602.13/358,469.91 - Step 6: Final answer
x = 306,994.78
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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.