Finding the Fourth Proportional to 396,732.49, 547,864.49 and 276,203.34
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Solution
The fourth proportional to 396,732.49, 547,864.49 and 276,203.34 is: 381,420.75
Step by Step Solution
- Step 1: Write the proportion equation
396,732.49 : 547,864.49 = 276,203.34 : x - Step 2: Convert to fraction form
396,732.49/547,864.49 = 276,203.34/x - Step 3: Cross multiply
396,732.49x = 547,864.49 × 276,203.34 - Step 4: Simplify right side
396,732.49x = 151,322,002,005.40 - Step 5: Solve for x
x = 151,322,002,005.40/396,732.49 - Step 6: Final answer
x = 381,420.75
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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.