Finding the Fourth Proportional to 201,319.28, 277,819.80 and 110,680.96
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Solution
The fourth proportional to 201,319.28, 277,819.80 and 110,680.96 is: 152,739.28
Step by Step Solution
- Step 1: Write the proportion equation
201,319.28 : 277,819.80 = 110,680.96 : x - Step 2: Convert to fraction form
201,319.28/277,819.80 = 110,680.96/x - Step 3: Cross multiply
201,319.28x = 277,819.80 × 110,680.96 - Step 4: Simplify right side
201,319.28x = 30,749,362,171.01 - Step 5: Solve for x
x = 30,749,362,171.01/201,319.28 - Step 6: Final answer
x = 152,739.28
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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.