Finding the Fourth Proportional to 246,291.73, 339,882.08 and 138,861.02
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Solution
The fourth proportional to 246,291.73, 339,882.08 and 138,861.02 is: 191,627.92
Step by Step Solution
- Step 1: Write the proportion equation
246,291.73 : 339,882.08 = 138,861.02 : x - Step 2: Convert to fraction form
246,291.73/339,882.08 = 138,861.02/x - Step 3: Cross multiply
246,291.73x = 339,882.08 × 138,861.02 - Step 4: Simplify right side
246,291.73x = 47,196,372,463.92 - Step 5: Solve for x
x = 47,196,372,463.92/246,291.73 - Step 6: Final answer
x = 191,627.92
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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.