Finding the Fourth Proportional to 343,197.28, 514,491.36 and 129,816.19
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Solution
The fourth proportional to 343,197.28, 514,491.36 and 129,816.19 is: 194,609.08
Step by Step Solution
- Step 1: Write the proportion equation
343,197.28 : 514,491.36 = 129,816.19 : x - Step 2: Convert to fraction form
343,197.28/514,491.36 = 129,816.19/x - Step 3: Cross multiply
343,197.28x = 514,491.36 × 129,816.19 - Step 4: Simplify right side
343,197.28x = 66,789,308,143.12 - Step 5: Solve for x
x = 66,789,308,143.12/343,197.28 - Step 6: Final answer
x = 194,609.08
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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.