Finding the Fourth Proportional to 489,541.05, 733,806.41 and 205,396.61
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Solution
The fourth proportional to 489,541.05, 733,806.41 and 205,396.61 is: 307,882.95
Step by Step Solution
- Step 1: Write the proportion equation
489,541.05 : 733,806.41 = 205,396.61 : x - Step 2: Convert to fraction form
489,541.05/733,806.41 = 205,396.61/x - Step 3: Cross multiply
489,541.05x = 733,806.41 × 205,396.61 - Step 4: Simplify right side
489,541.05x = 150,721,344,314.26 - Step 5: Solve for x
x = 150,721,344,314.26/489,541.05 - Step 6: Final answer
x = 307,882.95
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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.