Finding the Fourth Proportional to 201,608.85, 278,224.02 and 110,964.18
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Solution
The fourth proportional to 201,608.85, 278,224.02 and 110,964.18 is: 153,132.66
Step by Step Solution
- Step 1: Write the proportion equation
201,608.85 : 278,224.02 = 110,964.18 : x - Step 2: Convert to fraction form
201,608.85/278,224.02 = 110,964.18/x - Step 3: Cross multiply
201,608.85x = 278,224.02 × 110,964.18 - Step 4: Simplify right side
201,608.85x = 30,872,900,235.60 - Step 5: Solve for x
x = 30,872,900,235.60/201,608.85 - Step 6: Final answer
x = 153,132.66
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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.