Finding the Fourth Proportional to 193,716.81, 267,331.74 and 117,234.99
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Solution
The fourth proportional to 193,716.81, 267,331.74 and 117,234.99 is: 161,785.82
Step by Step Solution
- Step 1: Write the proportion equation
193,716.81 : 267,331.74 = 117,234.99 : x - Step 2: Convert to fraction form
193,716.81/267,331.74 = 117,234.99/x - Step 3: Cross multiply
193,716.81x = 267,331.74 × 117,234.99 - Step 4: Simplify right side
193,716.81x = 31,340,633,865.58 - Step 5: Solve for x
x = 31,340,633,865.58/193,716.81 - Step 6: Final answer
x = 161,785.82
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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.