Finding the Fourth Proportional to 248,687.38, 372,719.07 and 106,365.62
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Solution
The fourth proportional to 248,687.38, 372,719.07 and 106,365.62 is: 159,414.99
Step by Step Solution
- Step 1: Write the proportion equation
248,687.38 : 372,719.07 = 106,365.62 : x - Step 2: Convert to fraction form
248,687.38/372,719.07 = 106,365.62/x - Step 3: Cross multiply
248,687.38x = 372,719.07 × 106,365.62 - Step 4: Simplify right side
248,687.38x = 39,644,494,774.49 - Step 5: Solve for x
x = 39,644,494,774.49/248,687.38 - Step 6: Final answer
x = 159,414.99
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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.