Finding the Fourth Proportional to 200,620.96, 276,855.12 and 109,982.08
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Solution
The fourth proportional to 200,620.96, 276,855.12 and 109,982.08 is: 151,774.28
Step by Step Solution
- Step 1: Write the proportion equation
200,620.96 : 276,855.12 = 109,982.08 : x - Step 2: Convert to fraction form
200,620.96/276,855.12 = 109,982.08/x - Step 3: Cross multiply
200,620.96x = 276,855.12 × 109,982.08 - Step 4: Simplify right side
200,620.96x = 30,449,101,956.25 - Step 5: Solve for x
x = 30,449,101,956.25/200,620.96 - Step 6: Final answer
x = 151,774.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.