Finding the Fourth Proportional to 109,537.26, 164,305.88 and 26,431.26
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Solution
The fourth proportional to 109,537.26, 164,305.88 and 26,431.26 is: 39,646.89
Step by Step Solution
- Step 1: Write the proportion equation
109,537.26 : 164,305.88 = 26,431.26 : x - Step 2: Convert to fraction form
109,537.26/164,305.88 = 26,431.26/x - Step 3: Cross multiply
109,537.26x = 164,305.88 × 26,431.26 - Step 4: Simplify right side
109,537.26x = 4,342,811,433.81 - Step 5: Solve for x
x = 4,342,811,433.81/109,537.26 - Step 6: Final answer
x = 39,646.89
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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.