Finding the Fourth Proportional to 209,033.40, 313,528.76 and 57,243.99
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Solution
The fourth proportional to 209,033.40, 313,528.76 and 57,243.99 is: 85,860.14
Step by Step Solution
- Step 1: Write the proportion equation
209,033.40 : 313,528.76 = 57,243.99 : x - Step 2: Convert to fraction form
209,033.40/313,528.76 = 57,243.99/x - Step 3: Cross multiply
209,033.40x = 313,528.76 × 57,243.99 - Step 4: Simplify right side
209,033.40x = 17,947,637,202.15 - Step 5: Solve for x
x = 17,947,637,202.15/209,033.40 - Step 6: Final answer
x = 85,860.14
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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.