Finding the Fourth Proportional to 768,745.23, 1,153,228.10 and 236,310.96
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Solution
The fourth proportional to 768,745.23, 1,153,228.10 and 236,310.96 is: 354,500.33
Step by Step Solution
- Step 1: Write the proportion equation
768,745.23 : 1,153,228.10 = 236,310.96 : x - Step 2: Convert to fraction form
768,745.23/1,153,228.10 = 236,310.96/x - Step 3: Cross multiply
768,745.23x = 1,153,228.10 × 236,310.96 - Step 4: Simplify right side
768,745.23x = 272,520,438,228.42 - Step 5: Solve for x
x = 272,520,438,228.42/768,745.23 - Step 6: Final answer
x = 354,500.33
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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.