Finding the Fourth Proportional to 207,747.99, 311,790.87 and 117,847.71
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Solution
The fourth proportional to 207,747.99, 311,790.87 and 117,847.71 is: 176,867.37
Step by Step Solution
- Step 1: Write the proportion equation
207,747.99 : 311,790.87 = 117,847.71 : x - Step 2: Convert to fraction form
207,747.99/311,790.87 = 117,847.71/x - Step 3: Cross multiply
207,747.99x = 311,790.87 × 117,847.71 - Step 4: Simplify right side
207,747.99x = 36,743,840,028.41 - Step 5: Solve for x
x = 36,743,840,028.41/207,747.99 - Step 6: Final answer
x = 176,867.37
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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.