Finding the Fourth Proportional to 216,602.96, 324,947.75 and 66,837.62
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Solution
The fourth proportional to 216,602.96, 324,947.75 and 66,837.62 is: 100,269.79
Step by Step Solution
- Step 1: Write the proportion equation
216,602.96 : 324,947.75 = 66,837.62 : x - Step 2: Convert to fraction form
216,602.96/324,947.75 = 66,837.62/x - Step 3: Cross multiply
216,602.96x = 324,947.75 × 66,837.62 - Step 4: Simplify right side
216,602.96x = 21,718,734,234.36 - Step 5: Solve for x
x = 21,718,734,234.36/216,602.96 - Step 6: Final answer
x = 100,269.79
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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.