Finding the Fourth Proportional to 757,624.36, 1,136,408.84 and 225,131.55
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Solution
The fourth proportional to 757,624.36, 1,136,408.84 and 225,131.55 is: 337,689.09
Step by Step Solution
- Step 1: Write the proportion equation
757,624.36 : 1,136,408.84 = 225,131.55 : x - Step 2: Convert to fraction form
757,624.36/1,136,408.84 = 225,131.55/x - Step 3: Cross multiply
757,624.36x = 1,136,408.84 × 225,131.55 - Step 4: Simplify right side
757,624.36x = 255,841,477,900.86 - Step 5: Solve for x
x = 255,841,477,900.86/757,624.36 - Step 6: Final answer
x = 337,689.09
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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.