Finding the Fourth Proportional to 74,288.11, 111,448.57 and 27,540.99
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Solution
The fourth proportional to 74,288.11, 111,448.57 and 27,540.99 is: 41,317.56
Step by Step Solution
- Step 1: Write the proportion equation
74,288.11 : 111,448.57 = 27,540.99 : x - Step 2: Convert to fraction form
74,288.11/111,448.57 = 27,540.99/x - Step 3: Cross multiply
74,288.11x = 111,448.57 × 27,540.99 - Step 4: Simplify right side
74,288.11x = 3,069,403,394.64 - Step 5: Solve for x
x = 3,069,403,394.64/74,288.11 - Step 6: Final answer
x = 41,317.56
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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.