Finding the Fourth Proportional to 125,975.28, 188,989.58 and 41,730.68
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Solution
The fourth proportional to 125,975.28, 188,989.58 and 41,730.68 is: 62,604.84
Step by Step Solution
- Step 1: Write the proportion equation
125,975.28 : 188,989.58 = 41,730.68 : x - Step 2: Convert to fraction form
125,975.28/188,989.58 = 41,730.68/x - Step 3: Cross multiply
125,975.28x = 188,989.58 × 41,730.68 - Step 4: Simplify right side
125,975.28x = 7,886,662,532.71 - Step 5: Solve for x
x = 7,886,662,532.71/125,975.28 - Step 6: Final answer
x = 62,604.84
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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.