Finding the Fourth Proportional to 356,133.28, 491,463.99 and 194,988.37
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Solution
The fourth proportional to 356,133.28, 491,463.99 and 194,988.37 is: 269,083.99
Step by Step Solution
- Step 1: Write the proportion equation
356,133.28 : 491,463.99 = 194,988.37 : x - Step 2: Convert to fraction form
356,133.28/491,463.99 = 194,988.37/x - Step 3: Cross multiply
356,133.28x = 491,463.99 × 194,988.37 - Step 4: Simplify right side
356,133.28x = 95,829,762,323.80 - Step 5: Solve for x
x = 95,829,762,323.80/356,133.28 - Step 6: Final answer
x = 269,083.99
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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.