Finding the Fourth Proportional to 192,551.20, 288,519.60 and 161,216.80
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Solution
The fourth proportional to 192,551.20, 288,519.60 and 161,216.80 is: 241,567.99
Step by Step Solution
- Step 1: Write the proportion equation
192,551.20 : 288,519.60 = 161,216.80 : x - Step 2: Convert to fraction form
192,551.20/288,519.60 = 161,216.80/x - Step 3: Cross multiply
192,551.20x = 288,519.60 × 161,216.80 - Step 4: Simplify right side
192,551.20x = 46,514,206,649.28 - Step 5: Solve for x
x = 46,514,206,649.28/192,551.20 - Step 6: Final answer
x = 241,567.99
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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.