Finding the Fourth Proportional to 262,338.29, 393,544.08 and 129,219.65
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Solution
The fourth proportional to 262,338.29, 393,544.08 and 129,219.65 is: 193,847.52
Step by Step Solution
- Step 1: Write the proportion equation
262,338.29 : 393,544.08 = 129,219.65 : x - Step 2: Convert to fraction form
262,338.29/393,544.08 = 129,219.65/x - Step 3: Cross multiply
262,338.29x = 393,544.08 × 129,219.65 - Step 4: Simplify right side
262,338.29x = 50,853,626,309.45 - Step 5: Solve for x
x = 50,853,626,309.45/262,338.29 - Step 6: Final answer
x = 193,847.52
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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.