Finding the Fourth Proportional to 395,593.62, 545,958.27 and 225,853.26
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Solution
The fourth proportional to 395,593.62, 545,958.27 and 225,853.26 is: 311,699.81
Step by Step Solution
- Step 1: Write the proportion equation
395,593.62 : 545,958.27 = 225,853.26 : x - Step 2: Convert to fraction form
395,593.62/545,958.27 = 225,853.26/x - Step 3: Cross multiply
395,593.62x = 545,958.27 × 225,853.26 - Step 4: Simplify right side
395,593.62x = 123,306,455,103.46 - Step 5: Solve for x
x = 123,306,455,103.46/395,593.62 - Step 6: Final answer
x = 311,699.81
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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.