Finding the Fourth Proportional to 214,884.29, 322,466.30 and 81,765.65
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Solution
The fourth proportional to 214,884.29, 322,466.30 and 81,765.65 is: 122,701.69
Step by Step Solution
- Step 1: Write the proportion equation
214,884.29 : 322,466.30 = 81,765.65 : x - Step 2: Convert to fraction form
214,884.29/322,466.30 = 81,765.65/x - Step 3: Cross multiply
214,884.29x = 322,466.30 × 81,765.65 - Step 4: Simplify right side
214,884.29x = 26,366,664,601.44 - Step 5: Solve for x
x = 26,366,664,601.44/214,884.29 - Step 6: Final answer
x = 122,701.69
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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.