Finding the Fourth Proportional to 505,599.92, 758,401.95 and 126,519.62
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Solution
The fourth proportional to 505,599.92, 758,401.95 and 126,519.62 is: 189,779.94
Step by Step Solution
- Step 1: Write the proportion equation
505,599.92 : 758,401.95 = 126,519.62 : x - Step 2: Convert to fraction form
505,599.92/758,401.95 = 126,519.62/x - Step 3: Cross multiply
505,599.92x = 758,401.95 × 126,519.62 - Step 4: Simplify right side
505,599.92x = 95,952,722,729.25 - Step 5: Solve for x
x = 95,952,722,729.25/505,599.92 - Step 6: Final answer
x = 189,779.94
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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.