Finding the Fourth Proportional to 256,213.99, 384,554.21 and 136,371.55
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Solution
The fourth proportional to 256,213.99, 384,554.21 and 136,371.55 is: 204,681.46
Step by Step Solution
- Step 1: Write the proportion equation
256,213.99 : 384,554.21 = 136,371.55 : x - Step 2: Convert to fraction form
256,213.99/384,554.21 = 136,371.55/x - Step 3: Cross multiply
256,213.99x = 384,554.21 × 136,371.55 - Step 4: Simplify right side
256,213.99x = 52,442,253,676.73 - Step 5: Solve for x
x = 52,442,253,676.73/256,213.99 - Step 6: Final answer
x = 204,681.46
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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.