Finding the Fourth Proportional to 209,033.41, 313,528.75 and 57,243.99
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Solution
The fourth proportional to 209,033.41, 313,528.75 and 57,243.99 is: 85,860.13
Step by Step Solution
- Step 1: Write the proportion equation
209,033.41 : 313,528.75 = 57,243.99 : x - Step 2: Convert to fraction form
209,033.41/313,528.75 = 57,243.99/x - Step 3: Cross multiply
209,033.41x = 313,528.75 × 57,243.99 - Step 4: Simplify right side
209,033.41x = 17,947,636,629.71 - Step 5: Solve for x
x = 17,947,636,629.71/209,033.41 - Step 6: Final answer
x = 85,860.13
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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.