Finding the Fourth Proportional to 216,512.92, 298,775.76 and 119,711.17
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Solution
The fourth proportional to 216,512.92, 298,775.76 and 119,711.17 is: 165,194.74
Step by Step Solution
- Step 1: Write the proportion equation
216,512.92 : 298,775.76 = 119,711.17 : x - Step 2: Convert to fraction form
216,512.92/298,775.76 = 119,711.17/x - Step 3: Cross multiply
216,512.92x = 298,775.76 × 119,711.17 - Step 4: Simplify right side
216,512.92x = 35,766,795,797.24 - Step 5: Solve for x
x = 35,766,795,797.24/216,512.92 - Step 6: Final answer
x = 165,194.74
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1.5x scale
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.