Finding the Fourth Proportional to 236,470.20, 353,936.94 and 129,584.82
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Solution
The fourth proportional to 236,470.20, 353,936.94 and 129,584.82 is: 193,956.17
Step by Step Solution
- Step 1: Write the proportion equation
236,470.20 : 353,936.94 = 129,584.82 : x - Step 2: Convert to fraction form
236,470.20/353,936.94 = 129,584.82/x - Step 3: Cross multiply
236,470.20x = 353,936.94 × 129,584.82 - Step 4: Simplify right side
236,470.20x = 45,864,854,661.25 - Step 5: Solve for x
x = 45,864,854,661.25/236,470.20 - Step 6: Final answer
x = 193,956.17
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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.