Finding the Fourth Proportional to 201,885.24, 278,611.02 and 117,028.92
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Solution
The fourth proportional to 201,885.24, 278,611.02 and 117,028.92 is: 161,505.35
Step by Step Solution
- Step 1: Write the proportion equation
201,885.24 : 278,611.02 = 117,028.92 : x - Step 2: Convert to fraction form
201,885.24/278,611.02 = 117,028.92/x - Step 3: Cross multiply
201,885.24x = 278,611.02 × 117,028.92 - Step 4: Simplify right side
201,885.24x = 32,605,546,770.70 - Step 5: Solve for x
x = 32,605,546,770.70/201,885.24 - Step 6: Final answer
x = 161,505.35
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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.