Finding the Fourth Proportional to 263,206.68, 363,224.02 and 142,348.05
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Solution
The fourth proportional to 263,206.68, 363,224.02 and 142,348.05 is: 196,439.66
Step by Step Solution
- Step 1: Write the proportion equation
263,206.68 : 363,224.02 = 142,348.05 : x - Step 2: Convert to fraction form
263,206.68/363,224.02 = 142,348.05/x - Step 3: Cross multiply
263,206.68x = 363,224.02 × 142,348.05 - Step 4: Simplify right side
263,206.68x = 51,704,230,960.16 - Step 5: Solve for x
x = 51,704,230,960.16/263,206.68 - Step 6: Final answer
x = 196,439.66
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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.