Finding the Fourth Proportional to 200,370.30, 276,536.60 and 115,487.97
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Solution
The fourth proportional to 200,370.30, 276,536.60 and 115,487.97 is: 159,388.15
Step by Step Solution
- Step 1: Write the proportion equation
200,370.30 : 276,536.60 = 115,487.97 : x - Step 2: Convert to fraction form
200,370.30/276,536.60 = 115,487.97/x - Step 3: Cross multiply
200,370.30x = 276,536.60 × 115,487.97 - Step 4: Simplify right side
200,370.30x = 31,936,650,564.70 - Step 5: Solve for x
x = 31,936,650,564.70/200,370.30 - Step 6: Final answer
x = 159,388.15
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1.5x scale
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.