Finding the Fourth Proportional to 84,620.44, 126,918.26 and 22,290.84
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Solution
The fourth proportional to 84,620.44, 126,918.26 and 22,290.84 is: 33,432.99
Step by Step Solution
- Step 1: Write the proportion equation
84,620.44 : 126,918.26 = 22,290.84 : x - Step 2: Convert to fraction form
84,620.44/126,918.26 = 22,290.84/x - Step 3: Cross multiply
84,620.44x = 126,918.26 × 22,290.84 - Step 4: Simplify right side
84,620.44x = 2,829,114,626.74 - Step 5: Solve for x
x = 2,829,114,626.74/84,620.44 - Step 6: Final answer
x = 33,432.99
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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.