Finding the Fourth Proportional to 102,753.36, 154,140.30 and 27,874.74
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Solution
The fourth proportional to 102,753.36, 154,140.30 and 27,874.74 is: 41,814.89
Step by Step Solution
- Step 1: Write the proportion equation
102,753.36 : 154,140.30 = 27,874.74 : x - Step 2: Convert to fraction form
102,753.36/154,140.30 = 27,874.74/x - Step 3: Cross multiply
102,753.36x = 154,140.30 × 27,874.74 - Step 4: Simplify right side
102,753.36x = 4,296,620,786.02 - Step 5: Solve for x
x = 4,296,620,786.02/102,753.36 - Step 6: Final answer
x = 41,814.89
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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.