Finding the Fourth Proportional to 194,623.43, 291,796.72 and 74,578.66
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Solution
The fourth proportional to 194,623.43, 291,796.72 and 74,578.66 is: 111,814.95
Step by Step Solution
- Step 1: Write the proportion equation
194,623.43 : 291,796.72 = 74,578.66 : x - Step 2: Convert to fraction form
194,623.43/291,796.72 = 74,578.66/x - Step 3: Cross multiply
194,623.43x = 291,796.72 × 74,578.66 - Step 4: Simplify right side
194,623.43x = 21,761,808,370.00 - Step 5: Solve for x
x = 21,761,808,370.00/194,623.43 - Step 6: Final answer
x = 111,814.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.