Finding the Fourth Proportional to 216,710.99, 325,097.58 and 66,964.36
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Solution
The fourth proportional to 216,710.99, 325,097.58 and 66,964.36 is: 100,456.15
Step by Step Solution
- Step 1: Write the proportion equation
216,710.99 : 325,097.58 = 66,964.36 : x - Step 2: Convert to fraction form
216,710.99/325,097.58 = 66,964.36/x - Step 3: Cross multiply
216,710.99x = 325,097.58 × 66,964.36 - Step 4: Simplify right side
216,710.99x = 21,769,951,382.25 - Step 5: Solve for x
x = 21,769,951,382.25/216,710.99 - Step 6: Final answer
x = 100,456.15
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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.