Finding the Fourth Proportional to 125,298.87, 188,041.74 and 50,419.68
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Solution
The fourth proportional to 125,298.87, 188,041.74 and 50,419.68 is: 75,667.12
Step by Step Solution
- Step 1: Write the proportion equation
125,298.87 : 188,041.74 = 50,419.68 : x - Step 2: Convert to fraction form
125,298.87/188,041.74 = 50,419.68/x - Step 3: Cross multiply
125,298.87x = 188,041.74 × 50,419.68 - Step 4: Simplify right side
125,298.87x = 9,481,004,357.44 - Step 5: Solve for x
x = 9,481,004,357.44/125,298.87 - Step 6: Final answer
x = 75,667.12
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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.