Finding the Fourth Proportional to 115,621.48, 173,305.55 and 59,464.56
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Solution
The fourth proportional to 115,621.48, 173,305.55 and 59,464.56 is: 89,131.70
Step by Step Solution
- Step 1: Write the proportion equation
115,621.48 : 173,305.55 = 59,464.56 : x - Step 2: Convert to fraction form
115,621.48/173,305.55 = 59,464.56/x - Step 3: Cross multiply
115,621.48x = 173,305.55 × 59,464.56 - Step 4: Simplify right side
115,621.48x = 10,305,538,907.62 - Step 5: Solve for x
x = 10,305,538,907.62/115,621.48 - Step 6: Final answer
x = 89,131.70
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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.