Finding the Fourth Proportional to 769,254.28, 1,153,896.26 and 236,774.75
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Solution
The fourth proportional to 769,254.28, 1,153,896.26 and 236,774.75 is: 355,166.68
Step by Step Solution
- Step 1: Write the proportion equation
769,254.28 : 1,153,896.26 = 236,774.75 : x - Step 2: Convert to fraction form
769,254.28/1,153,896.26 = 236,774.75/x - Step 3: Cross multiply
769,254.28x = 1,153,896.26 × 236,774.75 - Step 4: Simplify right side
769,254.28x = 273,213,491,534.08 - Step 5: Solve for x
x = 273,213,491,534.08/769,254.28 - Step 6: Final answer
x = 355,166.68
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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.