Finding the Fourth Proportional to 74,258.75, 111,215.19 and 44,611.13
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Solution
The fourth proportional to 74,258.75, 111,215.19 and 44,611.13 is: 66,812.80
Step by Step Solution
- Step 1: Write the proportion equation
74,258.75 : 111,215.19 = 44,611.13 : x - Step 2: Convert to fraction form
74,258.75/111,215.19 = 44,611.13/x - Step 3: Cross multiply
74,258.75x = 111,215.19 × 44,611.13 - Step 4: Simplify right side
74,258.75x = 4,961,435,299.06 - Step 5: Solve for x
x = 4,961,435,299.06/74,258.75 - Step 6: Final answer
x = 66,812.80
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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.