Finding the Fourth Proportional to 212,903.26, 293,793.13 and 122,195.41
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Solution
The fourth proportional to 212,903.26, 293,793.13 and 122,195.41 is: 168,621.99
Step by Step Solution
- Step 1: Write the proportion equation
212,903.26 : 293,793.13 = 122,195.41 : x - Step 2: Convert to fraction form
212,903.26/293,793.13 = 122,195.41/x - Step 3: Cross multiply
212,903.26x = 293,793.13 × 122,195.41 - Step 4: Simplify right side
212,903.26x = 35,900,171,975.53 - Step 5: Solve for x
x = 35,900,171,975.53/212,903.26 - Step 6: Final answer
x = 168,621.99
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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.