Finding the Fourth Proportional to 214,939.80, 322,409.70 and 67,195.80
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Solution
The fourth proportional to 214,939.80, 322,409.70 and 67,195.80 is: 100,793.70
Step by Step Solution
- Step 1: Write the proportion equation
214,939.80 : 322,409.70 = 67,195.80 : x - Step 2: Convert to fraction form
214,939.80/322,409.70 = 67,195.80/x - Step 3: Cross multiply
214,939.80x = 322,409.70 × 67,195.80 - Step 4: Simplify right side
214,939.80x = 21,664,577,719.26 - Step 5: Solve for x
x = 21,664,577,719.26/214,939.80 - Step 6: Final answer
x = 100,793.70
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1.5x scale
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.