Finding the Fourth Proportional to 378,392.99, 567,685.40 and 125,674.80
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Solution
The fourth proportional to 378,392.99, 567,685.40 and 125,674.80 is: 188,544.06
Step by Step Solution
- Step 1: Write the proportion equation
378,392.99 : 567,685.40 = 125,674.80 : x - Step 2: Convert to fraction form
378,392.99/567,685.40 = 125,674.80/x - Step 3: Cross multiply
378,392.99x = 567,685.40 × 125,674.80 - Step 4: Simplify right side
378,392.99x = 71,343,749,974.36 - Step 5: Solve for x
x = 71,343,749,974.36/378,392.99 - Step 6: Final answer
x = 188,544.06
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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.