Finding the Fourth Proportional to 209,851.21, 314,882.67 and 103,230.70
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Solution
The fourth proportional to 209,851.21, 314,882.67 and 103,230.70 is: 154,898.12
Step by Step Solution
- Step 1: Write the proportion equation
209,851.21 : 314,882.67 = 103,230.70 : x - Step 2: Convert to fraction form
209,851.21/314,882.67 = 103,230.70/x - Step 3: Cross multiply
209,851.21x = 314,882.67 × 103,230.70 - Step 4: Simplify right side
209,851.21x = 32,505,558,441.97 - Step 5: Solve for x
x = 32,505,558,441.97/209,851.21 - Step 6: Final answer
x = 154,898.12
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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.