Finding the Fourth Proportional to 192,389.12, 288,509.76 and 80,122.31
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Solution
The fourth proportional to 192,389.12, 288,509.76 and 80,122.31 is: 120,152.68
Step by Step Solution
- Step 1: Write the proportion equation
192,389.12 : 288,509.76 = 80,122.31 : x - Step 2: Convert to fraction form
192,389.12/288,509.76 = 80,122.31/x - Step 3: Cross multiply
192,389.12x = 288,509.76 × 80,122.31 - Step 4: Simplify right side
192,389.12x = 23,116,066,986.20 - Step 5: Solve for x
x = 23,116,066,986.20/192,389.12 - Step 6: Final answer
x = 120,152.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.