Finding the Fourth Proportional to 194,568.91, 268,493.53 and 112,890.84
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Solution
The fourth proportional to 194,568.91, 268,493.53 and 112,890.84 is: 155,782.65
Step by Step Solution
- Step 1: Write the proportion equation
194,568.91 : 268,493.53 = 112,890.84 : x - Step 2: Convert to fraction form
194,568.91/268,493.53 = 112,890.84/x - Step 3: Cross multiply
194,568.91x = 268,493.53 × 112,890.84 - Step 4: Simplify right side
194,568.91x = 30,310,460,136.27 - Step 5: Solve for x
x = 30,310,460,136.27/194,568.91 - Step 6: Final answer
x = 155,782.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.