Finding the Fourth Proportional to 216,106.52, 298,231.76 and 119,310.08
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Solution
The fourth proportional to 216,106.52, 298,231.76 and 119,310.08 is: 164,650.54
Step by Step Solution
- Step 1: Write the proportion equation
216,106.52 : 298,231.76 = 119,310.08 : x - Step 2: Convert to fraction form
216,106.52/298,231.76 = 119,310.08/x - Step 3: Cross multiply
216,106.52x = 298,231.76 × 119,310.08 - Step 4: Simplify right side
216,106.52x = 35,582,053,951.26 - Step 5: Solve for x
x = 35,582,053,951.26/216,106.52 - Step 6: Final answer
x = 164,650.54
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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.