Finding the Fourth Proportional to 356,133.70, 491,470.37 and 194,986.09
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Solution
The fourth proportional to 356,133.70, 491,470.37 and 194,986.09 is: 269,084.01
Step by Step Solution
- Step 1: Write the proportion equation
356,133.70 : 491,470.37 = 194,986.09 : x - Step 2: Convert to fraction form
356,133.70/491,470.37 = 194,986.09/x - Step 3: Cross multiply
356,133.70x = 491,470.37 × 194,986.09 - Step 4: Simplify right side
356,133.70x = 95,829,885,797.15 - Step 5: Solve for x
x = 95,829,885,797.15/356,133.70 - Step 6: Final answer
x = 269,084.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.