Finding the Fourth Proportional to 396,444.13, 547,546.97 and 261,083.14
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Solution
The fourth proportional to 396,444.13, 547,546.97 and 261,083.14 is: 360,593.77
Step by Step Solution
- Step 1: Write the proportion equation
396,444.13 : 547,546.97 = 261,083.14 : x - Step 2: Convert to fraction form
396,444.13/547,546.97 = 261,083.14/x - Step 3: Cross multiply
396,444.13x = 547,546.97 × 261,083.14 - Step 4: Simplify right side
396,444.13x = 142,955,282,225.09 - Step 5: Solve for x
x = 142,955,282,225.09/396,444.13 - Step 6: Final answer
x = 360,593.77
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1.5x scale
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.