Finding the Fourth Proportional to 327,748.42, 491,622.63 and 187,408.66
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Solution
The fourth proportional to 327,748.42, 491,622.63 and 187,408.66 is: 281,112.99
Step by Step Solution
- Step 1: Write the proportion equation
327,748.42 : 491,622.63 = 187,408.66 : x - Step 2: Convert to fraction form
327,748.42/491,622.63 = 187,408.66/x - Step 3: Cross multiply
327,748.42x = 491,622.63 × 187,408.66 - Step 4: Simplify right side
327,748.42x = 92,134,338,313.98 - Step 5: Solve for x
x = 92,134,338,313.98/327,748.42 - Step 6: Final answer
x = 281,112.99
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1.5x scale
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.