Finding the Fourth Proportional to 203,266.14, 280,553.94 and 135,286.02
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Solution
The fourth proportional to 203,266.14, 280,553.94 and 135,286.02 is: 186,725.77
Step by Step Solution
- Step 1: Write the proportion equation
203,266.14 : 280,553.94 = 135,286.02 : x - Step 2: Convert to fraction form
203,266.14/280,553.94 = 135,286.02/x - Step 3: Cross multiply
203,266.14x = 280,553.94 × 135,286.02 - Step 4: Simplify right side
203,266.14x = 37,955,025,937.92 - Step 5: Solve for x
x = 37,955,025,937.92/203,266.14 - Step 6: Final answer
x = 186,725.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.