Finding the Fourth Proportional to 202,138.05, 303,164.55 and 102,204.30
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Solution
The fourth proportional to 202,138.05, 303,164.55 and 102,204.30 is: 153,284.95
Step by Step Solution
- Step 1: Write the proportion equation
202,138.05 : 303,164.55 = 102,204.30 : x - Step 2: Convert to fraction form
202,138.05/303,164.55 = 102,204.30/x - Step 3: Cross multiply
202,138.05x = 303,164.55 × 102,204.30 - Step 4: Simplify right side
202,138.05x = 30,984,720,617.57 - Step 5: Solve for x
x = 30,984,720,617.57/202,138.05 - Step 6: Final answer
x = 153,284.95
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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.