Finding the Fourth Proportional to 146,640.88, 202,455.84 and 112,581.54
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Solution
The fourth proportional to 146,640.88, 202,455.84 and 112,581.54 is: 155,432.72
Step by Step Solution
- Step 1: Write the proportion equation
146,640.88 : 202,455.84 = 112,581.54 : x - Step 2: Convert to fraction form
146,640.88/202,455.84 = 112,581.54/x - Step 3: Cross multiply
146,640.88x = 202,455.84 × 112,581.54 - Step 4: Simplify right side
146,640.88x = 22,792,790,249.19 - Step 5: Solve for x
x = 22,792,790,249.19/146,640.88 - Step 6: Final answer
x = 155,432.72
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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.