Finding the Fourth Proportional to 201,941.92, 278,680.08 and 117,108.28
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Solution
The fourth proportional to 201,941.92, 278,680.08 and 117,108.28 is: 161,609.56
Step by Step Solution
- Step 1: Write the proportion equation
201,941.92 : 278,680.08 = 117,108.28 : x - Step 2: Convert to fraction form
201,941.92/278,680.08 = 117,108.28/x - Step 3: Cross multiply
201,941.92x = 278,680.08 × 117,108.28 - Step 4: Simplify right side
201,941.92x = 32,635,744,839.06 - Step 5: Solve for x
x = 32,635,744,839.06/201,941.92 - Step 6: Final answer
x = 161,609.56
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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.