Finding the Fourth Proportional to 331,304.36, 457,187.52 and 202,458.28
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Solution
The fourth proportional to 331,304.36, 457,187.52 and 202,458.28 is: 279,384.79
Step by Step Solution
- Step 1: Write the proportion equation
331,304.36 : 457,187.52 = 202,458.28 : x - Step 2: Convert to fraction form
331,304.36/457,187.52 = 202,458.28/x - Step 3: Cross multiply
331,304.36x = 457,187.52 × 202,458.28 - Step 4: Simplify right side
331,304.36x = 92,561,398,936.67 - Step 5: Solve for x
x = 92,561,398,936.67/331,304.36 - Step 6: Final answer
x = 279,384.79
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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.