Finding the Fourth Proportional to 247,163.67, 341,083.91 and 139,754.84
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Solution
The fourth proportional to 247,163.67, 341,083.91 and 139,754.84 is: 192,860.57
Step by Step Solution
- Step 1: Write the proportion equation
247,163.67 : 341,083.91 = 139,754.84 : x - Step 2: Convert to fraction form
247,163.67/341,083.91 = 139,754.84/x - Step 3: Cross multiply
247,163.67x = 341,083.91 × 139,754.84 - Step 4: Simplify right side
247,163.67x = 47,668,125,912.59 - Step 5: Solve for x
x = 47,668,125,912.59/247,163.67 - Step 6: Final answer
x = 192,860.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.