Finding the Fourth Proportional to 168,528.36, 252,791.68 and 43,869.36
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Solution
The fourth proportional to 168,528.36, 252,791.68 and 43,869.36 is: 65,803.82
Step by Step Solution
- Step 1: Write the proportion equation
168,528.36 : 252,791.68 = 43,869.36 : x - Step 2: Convert to fraction form
168,528.36/252,791.68 = 43,869.36/x - Step 3: Cross multiply
168,528.36x = 252,791.68 × 43,869.36 - Step 4: Simplify right side
168,528.36x = 11,089,809,214.92 - Step 5: Solve for x
x = 11,089,809,214.92/168,528.36 - Step 6: Final answer
x = 65,803.82
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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.