Finding the Fourth Proportional to 84,518.88, 126,779.36 and 22,195.68
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Solution
The fourth proportional to 84,518.88, 126,779.36 and 22,195.68 is: 33,293.79
Step by Step Solution
- Step 1: Write the proportion equation
84,518.88 : 126,779.36 = 22,195.68 : x - Step 2: Convert to fraction form
84,518.88/126,779.36 = 22,195.68/x - Step 3: Cross multiply
84,518.88x = 126,779.36 × 22,195.68 - Step 4: Simplify right side
84,518.88x = 2,813,954,105.16 - Step 5: Solve for x
x = 2,813,954,105.16/84,518.88 - Step 6: Final answer
x = 33,293.79
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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.