Finding the Fourth Proportional to 201,846.44, 278,534.76 and 121,226.06
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Solution
The fourth proportional to 201,846.44, 278,534.76 and 121,226.06 is: 167,283.96
Step by Step Solution
- Step 1: Write the proportion equation
201,846.44 : 278,534.76 = 121,226.06 : x - Step 2: Convert to fraction form
201,846.44/278,534.76 = 121,226.06/x - Step 3: Cross multiply
201,846.44x = 278,534.76 × 121,226.06 - Step 4: Simplify right side
201,846.44x = 33,765,671,527.85 - Step 5: Solve for x
x = 33,765,671,527.85/201,846.44 - Step 6: Final answer
x = 167,283.96
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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.