Finding the Fourth Proportional to 84,619.44, 126,916.76 and 22,289.84
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Solution
The fourth proportional to 84,619.44, 126,916.76 and 22,289.84 is: 33,431.49
Step by Step Solution
- Step 1: Write the proportion equation
84,619.44 : 126,916.76 = 22,289.84 : x - Step 2: Convert to fraction form
84,619.44/126,916.76 = 22,289.84/x - Step 3: Cross multiply
84,619.44x = 126,916.76 × 22,289.84 - Step 4: Simplify right side
84,619.44x = 2,828,954,273.72 - Step 5: Solve for x
x = 2,828,954,273.72/84,619.44 - Step 6: Final answer
x = 33,431.49
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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.