Finding the Fourth Proportional to 115,439.80, 173,182.02 and 44,357.08
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Solution
The fourth proportional to 115,439.80, 173,182.02 and 44,357.08 is: 66,544.20
Step by Step Solution
- Step 1: Write the proportion equation
115,439.80 : 173,182.02 = 44,357.08 : x - Step 2: Convert to fraction form
115,439.80/173,182.02 = 44,357.08/x - Step 3: Cross multiply
115,439.80x = 173,182.02 × 44,357.08 - Step 4: Simplify right side
115,439.80x = 7,681,848,715.70 - Step 5: Solve for x
x = 7,681,848,715.70/115,439.80 - Step 6: Final answer
x = 66,544.20
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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.