Finding the Fourth Proportional to 358,579.75, 494,840.07 and 199,603.75
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Solution
The fourth proportional to 358,579.75, 494,840.07 and 199,603.75 is: 275,453.18
Step by Step Solution
- Step 1: Write the proportion equation
358,579.75 : 494,840.07 = 199,603.75 : x - Step 2: Convert to fraction form
358,579.75/494,840.07 = 199,603.75/x - Step 3: Cross multiply
358,579.75x = 494,840.07 × 199,603.75 - Step 4: Simplify right side
358,579.75x = 98,771,933,622.26 - Step 5: Solve for x
x = 98,771,933,622.26/358,579.75 - Step 6: Final answer
x = 275,453.18
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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.