Finding the Fourth Proportional to 194,558.36, 291,785.29 and 74,589.26
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Solution
The fourth proportional to 194,558.36, 291,785.29 and 74,589.26 is: 111,863.85
Step by Step Solution
- Step 1: Write the proportion equation
194,558.36 : 291,785.29 = 74,589.26 : x - Step 2: Convert to fraction form
194,558.36/291,785.29 = 74,589.26/x - Step 3: Cross multiply
194,558.36x = 291,785.29 × 74,589.26 - Step 4: Simplify right side
194,558.36x = 21,764,047,214.59 - Step 5: Solve for x
x = 21,764,047,214.59/194,558.36 - Step 6: Final answer
x = 111,863.85
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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.