Finding the Fourth Proportional to 192,694.20, 288,911.70 and 102,751.80
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Solution
The fourth proportional to 192,694.20, 288,911.70 and 102,751.80 is: 154,058.59
Step by Step Solution
- Step 1: Write the proportion equation
192,694.20 : 288,911.70 = 102,751.80 : x - Step 2: Convert to fraction form
192,694.20/288,911.70 = 102,751.80/x - Step 3: Cross multiply
192,694.20x = 288,911.70 × 102,751.80 - Step 4: Simplify right side
192,694.20x = 29,686,197,216.06 - Step 5: Solve for x
x = 29,686,197,216.06/192,694.20 - Step 6: Final answer
x = 154,058.59
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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.