Finding the Fourth Proportional to 382,926.14, 574,743.82 and 193,519.79
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Solution
The fourth proportional to 382,926.14, 574,743.82 and 193,519.79 is: 290,458.89
Step by Step Solution
- Step 1: Write the proportion equation
382,926.14 : 574,743.82 = 193,519.79 : x - Step 2: Convert to fraction form
382,926.14/574,743.82 = 193,519.79/x - Step 3: Cross multiply
382,926.14x = 574,743.82 × 193,519.79 - Step 4: Simplify right side
382,926.14x = 111,224,303,350.20 - Step 5: Solve for x
x = 111,224,303,350.20/382,926.14 - Step 6: Final answer
x = 290,458.89
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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.