Finding the Fourth Proportional to 342,093.96, 472,221.36 and 306,220.68
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Solution
The fourth proportional to 342,093.96, 472,221.36 and 306,220.68 is: 422,702.42
Step by Step Solution
- Step 1: Write the proportion equation
342,093.96 : 472,221.36 = 306,220.68 : x - Step 2: Convert to fraction form
342,093.96/472,221.36 = 306,220.68/x - Step 3: Cross multiply
342,093.96x = 472,221.36 × 306,220.68 - Step 4: Simplify right side
342,093.96x = 144,603,945,969.73 - Step 5: Solve for x
x = 144,603,945,969.73/342,093.96 - Step 6: Final answer
x = 422,702.42
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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.