Finding the Fourth Proportional to 84,228.32, 126,251.76 and 44,745.68
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Solution
The fourth proportional to 84,228.32, 126,251.76 and 44,745.68 is: 67,070.33
Step by Step Solution
- Step 1: Write the proportion equation
84,228.32 : 126,251.76 = 44,745.68 : x - Step 2: Convert to fraction form
84,228.32/126,251.76 = 44,745.68/x - Step 3: Cross multiply
84,228.32x = 126,251.76 × 44,745.68 - Step 4: Simplify right side
84,228.32x = 5,649,220,852.40 - Step 5: Solve for x
x = 5,649,220,852.40/84,228.32 - Step 6: Final answer
x = 67,070.33
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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.