Finding the Fourth Proportional to 207,998.28, 312,049.50 and 119,351.88
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Solution
The fourth proportional to 207,998.28, 312,049.50 and 119,351.88 is: 179,057.70
Step by Step Solution
- Step 1: Write the proportion equation
207,998.28 : 312,049.50 = 119,351.88 : x - Step 2: Convert to fraction form
207,998.28/312,049.50 = 119,351.88/x - Step 3: Cross multiply
207,998.28x = 312,049.50 × 119,351.88 - Step 4: Simplify right side
207,998.28x = 37,243,694,478.06 - Step 5: Solve for x
x = 37,243,694,478.06/207,998.28 - Step 6: Final answer
x = 179,057.70
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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.