Finding the Fourth Proportional to 221,088.54, 305,110.38 and 125,611.44
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Solution
The fourth proportional to 221,088.54, 305,110.38 and 125,611.44 is: 173,348.44
Step by Step Solution
- Step 1: Write the proportion equation
221,088.54 : 305,110.38 = 125,611.44 : x - Step 2: Convert to fraction form
221,088.54/305,110.38 = 125,611.44/x - Step 3: Cross multiply
221,088.54x = 305,110.38 × 125,611.44 - Step 4: Simplify right side
221,088.54x = 38,325,354,190.75 - Step 5: Solve for x
x = 38,325,354,190.75/221,088.54 - Step 6: Final answer
x = 173,348.44
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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.