Finding the Fourth Proportional to 192,247.80, 288,285.30 and 73,879.80
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Solution
The fourth proportional to 192,247.80, 288,285.30 and 73,879.80 is: 110,786.50
Step by Step Solution
- Step 1: Write the proportion equation
192,247.80 : 288,285.30 = 73,879.80 : x - Step 2: Convert to fraction form
192,247.80/288,285.30 = 73,879.80/x - Step 3: Cross multiply
192,247.80x = 288,285.30 × 73,879.80 - Step 4: Simplify right side
192,247.80x = 21,298,460,306.94 - Step 5: Solve for x
x = 21,298,460,306.94/192,247.80 - Step 6: Final answer
x = 110,786.50
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1.5x scale
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.