Finding the Fourth Proportional to 356,283.77, 491,679.56 and 203,318.92
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Solution
The fourth proportional to 356,283.77, 491,679.56 and 203,318.92 is: 280,584.65
Step by Step Solution
- Step 1: Write the proportion equation
356,283.77 : 491,679.56 = 203,318.92 : x - Step 2: Convert to fraction form
356,283.77/491,679.56 = 203,318.92/x - Step 3: Cross multiply
356,283.77x = 491,679.56 × 203,318.92 - Step 4: Simplify right side
356,283.77x = 99,967,757,125.28 - Step 5: Solve for x
x = 99,967,757,125.28/356,283.77 - Step 6: Final answer
x = 280,584.65
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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.