Finding the Fourth Proportional to 192,371.70, 288,572.04 and 57,425.11
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Solution
The fourth proportional to 192,371.70, 288,572.04 and 57,425.11 is: 86,141.99
Step by Step Solution
- Step 1: Write the proportion equation
192,371.70 : 288,572.04 = 57,425.11 : x - Step 2: Convert to fraction form
192,371.70/288,572.04 = 57,425.11/x - Step 3: Cross multiply
192,371.70x = 288,572.04 × 57,425.11 - Step 4: Simplify right side
192,371.70x = 16,571,279,697.06 - Step 5: Solve for x
x = 16,571,279,697.06/192,371.70 - Step 6: Final answer
x = 86,141.99
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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.