Finding the Fourth Proportional to 213,862.44, 295,143.84 and 123,216.75
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Solution
The fourth proportional to 213,862.44, 295,143.84 and 123,216.75 is: 170,046.99
Step by Step Solution
- Step 1: Write the proportion equation
213,862.44 : 295,143.84 = 123,216.75 : x - Step 2: Convert to fraction form
213,862.44/295,143.84 = 123,216.75/x - Step 3: Cross multiply
213,862.44x = 295,143.84 × 123,216.75 - Step 4: Simplify right side
213,862.44x = 36,366,664,747.32 - Step 5: Solve for x
x = 36,366,664,747.32/213,862.44 - Step 6: Final answer
x = 170,046.99
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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.