Finding the Fourth Proportional to 203,729.13, 281,069.06 and 150,141.96
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Solution
The fourth proportional to 203,729.13, 281,069.06 and 150,141.96 is: 207,139.05
Step by Step Solution
- Step 1: Write the proportion equation
203,729.13 : 281,069.06 = 150,141.96 : x - Step 2: Convert to fraction form
203,729.13/281,069.06 = 150,141.96/x - Step 3: Cross multiply
203,729.13x = 281,069.06 × 150,141.96 - Step 4: Simplify right side
203,729.13x = 42,200,258,813.05 - Step 5: Solve for x
x = 42,200,258,813.05/203,729.13 - Step 6: Final answer
x = 207,139.05
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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.