Finding the Fourth Proportional to 200,372.30, 276,539.36 and 115,489.97
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Solution
The fourth proportional to 200,372.30, 276,539.36 and 115,489.97 is: 159,390.90
Step by Step Solution
- Step 1: Write the proportion equation
200,372.30 : 276,539.36 = 115,489.97 : x - Step 2: Convert to fraction form
200,372.30/276,539.36 = 115,489.97/x - Step 3: Cross multiply
200,372.30x = 276,539.36 × 115,489.97 - Step 4: Simplify right side
200,372.30x = 31,937,520,430.07 - Step 5: Solve for x
x = 31,937,520,430.07/200,372.30 - Step 6: Final answer
x = 159,390.90
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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.