Finding the Fourth Proportional to 395,528.28, 545,926.68 and 225,860.82
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Solution
The fourth proportional to 395,528.28, 545,926.68 and 225,860.82 is: 311,743.70
Step by Step Solution
- Step 1: Write the proportion equation
395,528.28 : 545,926.68 = 225,860.82 : x - Step 2: Convert to fraction form
395,528.28/545,926.68 = 225,860.82/x - Step 3: Cross multiply
395,528.28x = 545,926.68 × 225,860.82 - Step 4: Simplify right side
395,528.28x = 123,303,447,604.68 - Step 5: Solve for x
x = 123,303,447,604.68/395,528.28 - Step 6: Final answer
x = 311,743.70
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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.