Finding the Fourth Proportional to 356,115.99, 491,441.49 and 194,986.02
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Solution
The fourth proportional to 356,115.99, 491,441.49 and 194,986.02 is: 269,081.49
Step by Step Solution
- Step 1: Write the proportion equation
356,115.99 : 491,441.49 = 194,986.02 : x - Step 2: Convert to fraction form
356,115.99/491,441.49 = 194,986.02/x - Step 3: Cross multiply
356,115.99x = 491,441.49 × 194,986.02 - Step 4: Simplify right side
356,115.99x = 95,824,220,197.97 - Step 5: Solve for x
x = 95,824,220,197.97/356,115.99 - Step 6: Final answer
x = 269,081.49
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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.