Finding the Fourth Proportional to 202,139.05, 303,166.05 and 102,205.30
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Solution
The fourth proportional to 202,139.05, 303,166.05 and 102,205.30 is: 153,286.45
Step by Step Solution
- Step 1: Write the proportion equation
202,139.05 : 303,166.05 = 102,205.30 : x - Step 2: Convert to fraction form
202,139.05/303,166.05 = 102,205.30/x - Step 3: Cross multiply
202,139.05x = 303,166.05 × 102,205.30 - Step 4: Simplify right side
202,139.05x = 30,985,177,090.07 - Step 5: Solve for x
x = 30,985,177,090.07/202,139.05 - Step 6: Final answer
x = 153,286.45
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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.