Finding the Fourth Proportional to 256,213.24, 384,553.08 and 136,370.80
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Solution
The fourth proportional to 256,213.24, 384,553.08 and 136,370.80 is: 204,680.33
Step by Step Solution
- Step 1: Write the proportion equation
256,213.24 : 384,553.08 = 136,370.80 : x - Step 2: Convert to fraction form
256,213.24/384,553.08 = 136,370.80/x - Step 3: Cross multiply
256,213.24x = 384,553.08 × 136,370.80 - Step 4: Simplify right side
256,213.24x = 52,441,811,162.06 - Step 5: Solve for x
x = 52,441,811,162.06/256,213.24 - Step 6: Final answer
x = 204,680.33
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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.