Finding the Fourth Proportional to 144,439.05, 199,332.75 and 79,907.97
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Solution
The fourth proportional to 144,439.05, 199,332.75 and 79,907.97 is: 110,276.79
Step by Step Solution
- Step 1: Write the proportion equation
144,439.05 : 199,332.75 = 79,907.97 : x - Step 2: Convert to fraction form
144,439.05/199,332.75 = 79,907.97/x - Step 3: Cross multiply
144,439.05x = 199,332.75 × 79,907.97 - Step 4: Simplify right side
144,439.05x = 15,928,274,883.44 - Step 5: Solve for x
x = 15,928,274,883.44/144,439.05 - Step 6: Final answer
x = 110,276.79
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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.