Finding the Fourth Proportional to 147,197.41, 220,648.48 and 68,366.99
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Solution
The fourth proportional to 147,197.41, 220,648.48 and 68,366.99 is: 102,481.92
Step by Step Solution
- Step 1: Write the proportion equation
147,197.41 : 220,648.48 = 68,366.99 : x - Step 2: Convert to fraction form
147,197.41/220,648.48 = 68,366.99/x - Step 3: Cross multiply
147,197.41x = 220,648.48 × 68,366.99 - Step 4: Simplify right side
147,197.41x = 15,085,072,806.38 - Step 5: Solve for x
x = 15,085,072,806.38/147,197.41 - Step 6: Final answer
x = 102,481.92
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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.