Finding the Fourth Proportional to 155,193.75, 232,790.63 and 44,385.75
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Solution
The fourth proportional to 155,193.75, 232,790.63 and 44,385.75 is: 66,578.63
Step by Step Solution
- Step 1: Write the proportion equation
155,193.75 : 232,790.63 = 44,385.75 : x - Step 2: Convert to fraction form
155,193.75/232,790.63 = 44,385.75/x - Step 3: Cross multiply
155,193.75x = 232,790.63 × 44,385.75 - Step 4: Simplify right side
155,193.75x = 10,332,586,705.52 - Step 5: Solve for x
x = 10,332,586,705.52/155,193.75 - Step 6: Final answer
x = 66,578.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.