Finding the Fourth Proportional to 74,541.06, 111,812.19 and 27,190.08
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Solution
The fourth proportional to 74,541.06, 111,812.19 and 27,190.08 is: 40,785.34
Step by Step Solution
- Step 1: Write the proportion equation
74,541.06 : 111,812.19 = 27,190.08 : x - Step 2: Convert to fraction form
74,541.06/111,812.19 = 27,190.08/x - Step 3: Cross multiply
74,541.06x = 111,812.19 × 27,190.08 - Step 4: Simplify right side
74,541.06x = 3,040,182,179.52 - Step 5: Solve for x
x = 3,040,182,179.52/74,541.06 - Step 6: Final answer
x = 40,785.34
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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.