Finding the Fourth Proportional to 73,489.14, 110,233.71 and 18,085.14
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Solution
The fourth proportional to 73,489.14, 110,233.71 and 18,085.14 is: 27,127.71
Step by Step Solution
- Step 1: Write the proportion equation
73,489.14 : 110,233.71 = 18,085.14 : x - Step 2: Convert to fraction form
73,489.14/110,233.71 = 18,085.14/x - Step 3: Cross multiply
73,489.14x = 110,233.71 × 18,085.14 - Step 4: Simplify right side
73,489.14x = 1,993,592,078.07 - Step 5: Solve for x
x = 1,993,592,078.07/73,489.14 - Step 6: Final answer
x = 27,127.71
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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.