Finding the Fourth Proportional to 203,858.45, 281,316.95 and 113,220.26
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Solution
The fourth proportional to 203,858.45, 281,316.95 and 113,220.26 is: 156,239.67
Step by Step Solution
- Step 1: Write the proportion equation
203,858.45 : 281,316.95 = 113,220.26 : x - Step 2: Convert to fraction form
203,858.45/281,316.95 = 113,220.26/x - Step 3: Cross multiply
203,858.45x = 281,316.95 × 113,220.26 - Step 4: Simplify right side
203,858.45x = 31,850,776,673.30 - Step 5: Solve for x
x = 31,850,776,673.30/203,858.45 - Step 6: Final answer
x = 156,239.67
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1.5x scale
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.