Finding the Fourth Proportional to 411,578.58, 616,568.97 and 303,311.49
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Solution
The fourth proportional to 411,578.58, 616,568.97 and 303,311.49 is: 454,378.49
Step by Step Solution
- Step 1: Write the proportion equation
411,578.58 : 616,568.97 = 303,311.49 : x - Step 2: Convert to fraction form
411,578.58/616,568.97 = 303,311.49/x - Step 3: Cross multiply
411,578.58x = 616,568.97 × 303,311.49 - Step 4: Simplify right side
411,578.58x = 187,012,452,978.47 - Step 5: Solve for x
x = 187,012,452,978.47/411,578.58 - Step 6: Final answer
x = 454,378.49
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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.