Finding the Fourth Proportional to 440,745.72, 661,118.58 and 125,161.62
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Solution
The fourth proportional to 440,745.72, 661,118.58 and 125,161.62 is: 187,742.43
Step by Step Solution
- Step 1: Write the proportion equation
440,745.72 : 661,118.58 = 125,161.62 : x - Step 2: Convert to fraction form
440,745.72/661,118.58 = 125,161.62/x - Step 3: Cross multiply
440,745.72x = 661,118.58 × 125,161.62 - Step 4: Simplify right side
440,745.72x = 82,746,672,484.90 - Step 5: Solve for x
x = 82,746,672,484.90/440,745.72 - Step 6: Final answer
x = 187,742.43
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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.