Finding the Fourth Proportional to 202,106.60, 303,135.60 and 83,765.60
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Solution
The fourth proportional to 202,106.60, 303,135.60 and 83,765.60 is: 125,638.33
Step by Step Solution
- Step 1: Write the proportion equation
202,106.60 : 303,135.60 = 83,765.60 : x - Step 2: Convert to fraction form
202,106.60/303,135.60 = 83,765.60/x - Step 3: Cross multiply
202,106.60x = 303,135.60 × 83,765.60 - Step 4: Simplify right side
202,106.60x = 25,392,335,415.36 - Step 5: Solve for x
x = 25,392,335,415.36/202,106.60 - Step 6: Final answer
x = 125,638.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.