Finding the Fourth Proportional to 321,121.62, 481,750.02 and 121,437.54
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Solution
The fourth proportional to 321,121.62, 481,750.02 and 121,437.54 is: 182,181.87
Step by Step Solution
- Step 1: Write the proportion equation
321,121.62 : 481,750.02 = 121,437.54 : x - Step 2: Convert to fraction form
321,121.62/481,750.02 = 121,437.54/x - Step 3: Cross multiply
321,121.62x = 481,750.02 × 121,437.54 - Step 4: Simplify right side
321,121.62x = 58,502,537,323.75 - Step 5: Solve for x
x = 58,502,537,323.75/321,121.62 - Step 6: Final answer
x = 182,181.87
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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.