Finding the Fourth Proportional to 279,760.39, 419,764.62 and 146,608.99
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Solution
The fourth proportional to 279,760.39, 419,764.62 and 146,608.99 is: 219,978.49
Step by Step Solution
- Step 1: Write the proportion equation
279,760.39 : 419,764.62 = 146,608.99 : x - Step 2: Convert to fraction form
279,760.39/419,764.62 = 146,608.99/x - Step 3: Cross multiply
279,760.39x = 419,764.62 × 146,608.99 - Step 4: Simplify right side
279,760.39x = 61,541,266,975.93 - Step 5: Solve for x
x = 61,541,266,975.93/279,760.39 - Step 6: Final answer
x = 219,978.49
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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.