Finding the Fourth Proportional to 331,390.41, 457,306.79 and 202,544.52
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Solution
The fourth proportional to 331,390.41, 457,306.79 and 202,544.52 is: 279,504.12
Step by Step Solution
- Step 1: Write the proportion equation
331,390.41 : 457,306.79 = 202,544.52 : x - Step 2: Convert to fraction form
331,390.41/457,306.79 = 202,544.52/x - Step 3: Cross multiply
331,390.41x = 457,306.79 × 202,544.52 - Step 4: Simplify right side
331,390.41x = 92,624,984,273.29 - Step 5: Solve for x
x = 92,624,984,273.29/331,390.41 - Step 6: Final answer
x = 279,504.12
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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.