Finding the Fourth Proportional to 115,716.56, 173,588.52 and 40,821.08
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Solution
The fourth proportional to 115,716.56, 173,588.52 and 40,821.08 is: 61,236.45
Step by Step Solution
- Step 1: Write the proportion equation
115,716.56 : 173,588.52 = 40,821.08 : x - Step 2: Convert to fraction form
115,716.56/173,588.52 = 40,821.08/x - Step 3: Cross multiply
115,716.56x = 173,588.52 × 40,821.08 - Step 4: Simplify right side
115,716.56x = 7,086,070,862.00 - Step 5: Solve for x
x = 7,086,070,862.00/115,716.56 - Step 6: Final answer
x = 61,236.45
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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.