Finding the Fourth Proportional to 192,560.86, 288,718.26 and 80,318.53
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Solution
The fourth proportional to 192,560.86, 288,718.26 and 80,318.53 is: 120,426.48
Step by Step Solution
- Step 1: Write the proportion equation
192,560.86 : 288,718.26 = 80,318.53 : x - Step 2: Convert to fraction form
192,560.86/288,718.26 = 80,318.53/x - Step 3: Cross multiply
192,560.86x = 288,718.26 × 80,318.53 - Step 4: Simplify right side
192,560.86x = 23,189,426,227.36 - Step 5: Solve for x
x = 23,189,426,227.36/192,560.86 - Step 6: Final answer
x = 120,426.48
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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.