Finding the Fourth Proportional to 168,493.62, 252,739.70 and 68,631.54
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Solution
The fourth proportional to 168,493.62, 252,739.70 and 68,631.54 is: 102,947.01
Step by Step Solution
- Step 1: Write the proportion equation
168,493.62 : 252,739.70 = 68,631.54 : x - Step 2: Convert to fraction form
168,493.62/252,739.70 = 68,631.54/x - Step 3: Cross multiply
168,493.62x = 252,739.70 × 68,631.54 - Step 4: Simplify right side
168,493.62x = 17,345,914,182.63 - Step 5: Solve for x
x = 17,345,914,182.63/168,493.62 - Step 6: Final answer
x = 102,947.01
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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.