Finding the Fourth Proportional to 355,408.20, 534,278.70 and 250,950.60
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Solution
The fourth proportional to 355,408.20, 534,278.70 and 250,950.60 is: 377,249.48
Step by Step Solution
- Step 1: Write the proportion equation
355,408.20 : 534,278.70 = 250,950.60 : x - Step 2: Convert to fraction form
355,408.20/534,278.70 = 250,950.60/x - Step 3: Cross multiply
355,408.20x = 534,278.70 × 250,950.60 - Step 4: Simplify right side
355,408.20x = 134,077,560,332.22 - Step 5: Solve for x
x = 134,077,560,332.22/355,408.20 - Step 6: Final answer
x = 377,249.48
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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.