Finding the Fourth Proportional to 194,179.51, 267,950.65 and 108,131.99
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Solution
The fourth proportional to 194,179.51, 267,950.65 and 108,131.99 is: 149,212.64
Step by Step Solution
- Step 1: Write the proportion equation
194,179.51 : 267,950.65 = 108,131.99 : x - Step 2: Convert to fraction form
194,179.51/267,950.65 = 108,131.99/x - Step 3: Cross multiply
194,179.51x = 267,950.65 × 108,131.99 - Step 4: Simplify right side
194,179.51x = 28,974,037,006.29 - Step 5: Solve for x
x = 28,974,037,006.29/194,179.51 - Step 6: Final answer
x = 149,212.64
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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.