Finding the Fourth Proportional to 200,438.22, 276,593.94 and 109,776.99
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Solution
The fourth proportional to 200,438.22, 276,593.94 and 109,776.99 is: 151,486.33
Step by Step Solution
- Step 1: Write the proportion equation
200,438.22 : 276,593.94 = 109,776.99 : x - Step 2: Convert to fraction form
200,438.22/276,593.94 = 109,776.99/x - Step 3: Cross multiply
200,438.22x = 276,593.94 × 109,776.99 - Step 4: Simplify right side
200,438.22x = 30,363,650,185.44 - Step 5: Solve for x
x = 30,363,650,185.44/200,438.22 - Step 6: Final answer
x = 151,486.33
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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.