Finding the Fourth Proportional to 233,245.26, 321,873.36 and 129,878.70
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Solution
The fourth proportional to 233,245.26, 321,873.36 and 129,878.70 is: 179,229.77
Step by Step Solution
- Step 1: Write the proportion equation
233,245.26 : 321,873.36 = 129,878.70 : x - Step 2: Convert to fraction form
233,245.26/321,873.36 = 129,878.70/x - Step 3: Cross multiply
233,245.26x = 321,873.36 × 129,878.70 - Step 4: Simplify right side
233,245.26x = 41,804,493,561.43 - Step 5: Solve for x
x = 41,804,493,561.43/233,245.26 - Step 6: Final answer
x = 179,229.77
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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.