Finding the Fourth Proportional to 253,500.75, 380,624.94 and 141,399.99
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Solution
The fourth proportional to 253,500.75, 380,624.94 and 141,399.99 is: 212,308.49
Step by Step Solution
- Step 1: Write the proportion equation
253,500.75 : 380,624.94 = 141,399.99 : x - Step 2: Convert to fraction form
253,500.75/380,624.94 = 141,399.99/x - Step 3: Cross multiply
253,500.75x = 380,624.94 × 141,399.99 - Step 4: Simplify right side
253,500.75x = 53,820,362,709.75 - Step 5: Solve for x
x = 53,820,362,709.75/253,500.75 - Step 6: Final answer
x = 212,308.49
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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.