Finding the Fourth Proportional to 356,437.71, 491,865.24 and 203,469.82
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Solution
The fourth proportional to 356,437.71, 491,865.24 and 203,469.82 is: 280,777.62
Step by Step Solution
- Step 1: Write the proportion equation
356,437.71 : 491,865.24 = 203,469.82 : x - Step 2: Convert to fraction form
356,437.71/491,865.24 = 203,469.82/x - Step 3: Cross multiply
356,437.71x = 491,865.24 × 203,469.82 - Step 4: Simplify right side
356,437.71x = 100,079,731,847.06 - Step 5: Solve for x
x = 100,079,731,847.06/356,437.71 - Step 6: Final answer
x = 280,777.62
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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.