Finding the Fourth Proportional to 192,609.70, 288,953.95 and 66,233.53
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Solution
The fourth proportional to 192,609.70, 288,953.95 and 66,233.53 is: 99,363.84
Step by Step Solution
- Step 1: Write the proportion equation
192,609.70 : 288,953.95 = 66,233.53 : x - Step 2: Convert to fraction form
192,609.70/288,953.95 = 66,233.53/x - Step 3: Cross multiply
192,609.70x = 288,953.95 × 66,233.53 - Step 4: Simplify right side
192,609.70x = 19,138,440,115.94 - Step 5: Solve for x
x = 19,138,440,115.94/192,609.70 - Step 6: Final answer
x = 99,363.84
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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.