Finding the Fourth Proportional to 115,516.20, 173,298.60 and 48,922.05
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Solution
The fourth proportional to 115,516.20, 173,298.60 and 48,922.05 is: 73,393.37
Step by Step Solution
- Step 1: Write the proportion equation
115,516.20 : 173,298.60 = 48,922.05 : x - Step 2: Convert to fraction form
115,516.20/173,298.60 = 48,922.05/x - Step 3: Cross multiply
115,516.20x = 173,298.60 × 48,922.05 - Step 4: Simplify right side
115,516.20x = 8,478,122,774.13 - Step 5: Solve for x
x = 8,478,122,774.13/115,516.20 - Step 6: Final answer
x = 73,393.37
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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.