Finding the Fourth Proportional to 129,430.20, 194,173.02 and 73,296.84
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Solution
The fourth proportional to 129,430.20, 194,173.02 and 73,296.84 is: 109,960.96
Step by Step Solution
- Step 1: Write the proportion equation
129,430.20 : 194,173.02 = 73,296.84 : x - Step 2: Convert to fraction form
129,430.20/194,173.02 = 73,296.84/x - Step 3: Cross multiply
129,430.20x = 194,173.02 × 73,296.84 - Step 4: Simplify right side
129,430.20x = 14,232,268,779.26 - Step 5: Solve for x
x = 14,232,268,779.26/129,430.20 - Step 6: Final answer
x = 109,960.96
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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.