Finding the Fourth Proportional to 115,495.14, 173,212.62 and 48,900.99
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Solution
The fourth proportional to 115,495.14, 173,212.62 and 48,900.99 is: 73,338.74
Step by Step Solution
- Step 1: Write the proportion equation
115,495.14 : 173,212.62 = 48,900.99 : x - Step 2: Convert to fraction form
115,495.14/173,212.62 = 48,900.99/x - Step 3: Cross multiply
115,495.14x = 173,212.62 × 48,900.99 - Step 4: Simplify right side
115,495.14x = 8,470,267,765.57 - Step 5: Solve for x
x = 8,470,267,765.57/115,495.14 - Step 6: Final answer
x = 73,338.74
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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.