Finding the Fourth Proportional to 538,408.14, 743,000.01 and 293,392.44
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Solution
The fourth proportional to 538,408.14, 743,000.01 and 293,392.44 is: 404,879.81
Step by Step Solution
- Step 1: Write the proportion equation
538,408.14 : 743,000.01 = 293,392.44 : x - Step 2: Convert to fraction form
538,408.14/743,000.01 = 293,392.44/x - Step 3: Cross multiply
538,408.14x = 743,000.01 × 293,392.44 - Step 4: Simplify right side
538,408.14x = 217,990,585,853.92 - Step 5: Solve for x
x = 217,990,585,853.92/538,408.14 - Step 6: Final answer
x = 404,879.81
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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.