Finding the Fourth Proportional to 194,433.51, 291,694.55 and 68,079.99
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Solution
The fourth proportional to 194,433.51, 291,694.55 and 68,079.99 is: 102,135.49
Step by Step Solution
- Step 1: Write the proportion equation
194,433.51 : 291,694.55 = 68,079.99 : x - Step 2: Convert to fraction form
194,433.51/291,694.55 = 68,079.99/x - Step 3: Cross multiply
194,433.51x = 291,694.55 × 68,079.99 - Step 4: Simplify right side
194,433.51x = 19,858,561,706.65 - Step 5: Solve for x
x = 19,858,561,706.65/194,433.51 - Step 6: Final answer
x = 102,135.49
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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.