Finding the Fourth Proportional to 321,863.64, 444,069.18 and 185,879.68
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Solution
The fourth proportional to 321,863.64, 444,069.18 and 185,879.68 is: 256,454.68
Step by Step Solution
- Step 1: Write the proportion equation
321,863.64 : 444,069.18 = 185,879.68 : x - Step 2: Convert to fraction form
321,863.64/444,069.18 = 185,879.68/x - Step 3: Cross multiply
321,863.64x = 444,069.18 × 185,879.68 - Step 4: Simplify right side
321,863.64x = 82,543,437,076.26 - Step 5: Solve for x
x = 82,543,437,076.26/321,863.64 - Step 6: Final answer
x = 256,454.68
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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.