Finding the Fourth Proportional to 120,566.36, 180,879.51 and 36,324.62
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Solution
The fourth proportional to 120,566.36, 180,879.51 and 36,324.62 is: 54,495.96
Step by Step Solution
- Step 1: Write the proportion equation
120,566.36 : 180,879.51 = 36,324.62 : x - Step 2: Convert to fraction form
120,566.36/180,879.51 = 36,324.62/x - Step 3: Cross multiply
120,566.36x = 180,879.51 × 36,324.62 - Step 4: Simplify right side
120,566.36x = 6,570,379,466.54 - Step 5: Solve for x
x = 6,570,379,466.54/120,566.36 - Step 6: Final answer
x = 54,495.96
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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.