Finding the Fourth Proportional to 74,263.20, 111,367.36 and 32,149.44
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Solution
The fourth proportional to 74,263.20, 111,367.36 and 32,149.44 is: 48,212.28
Step by Step Solution
- Step 1: Write the proportion equation
74,263.20 : 111,367.36 = 32,149.44 : x - Step 2: Convert to fraction form
74,263.20/111,367.36 = 32,149.44/x - Step 3: Cross multiply
74,263.20x = 111,367.36 × 32,149.44 - Step 4: Simplify right side
74,263.20x = 3,580,398,258.28 - Step 5: Solve for x
x = 3,580,398,258.28/74,263.20 - Step 6: Final answer
x = 48,212.28
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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.