Finding the Fourth Proportional to 192,599.99, 288,743.40 and 80,363.81
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Solution
The fourth proportional to 192,599.99, 288,743.40 and 80,363.81 is: 120,480.37
Step by Step Solution
- Step 1: Write the proportion equation
192,599.99 : 288,743.40 = 80,363.81 : x - Step 2: Convert to fraction form
192,599.99/288,743.40 = 80,363.81/x - Step 3: Cross multiply
192,599.99x = 288,743.40 × 80,363.81 - Step 4: Simplify right side
192,599.99x = 23,204,518,292.64 - Step 5: Solve for x
x = 23,204,518,292.64/192,599.99 - Step 6: Final answer
x = 120,480.37
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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.