Finding the Fourth Proportional to 356,364.36, 491,769.99 and 203,410.44
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Solution
The fourth proportional to 356,364.36, 491,769.99 and 203,410.44 is: 280,699.09
Step by Step Solution
- Step 1: Write the proportion equation
356,364.36 : 491,769.99 = 203,410.44 : x - Step 2: Convert to fraction form
356,364.36/491,769.99 = 203,410.44/x - Step 3: Cross multiply
356,364.36x = 491,769.99 × 203,410.44 - Step 4: Simplify right side
356,364.36x = 100,031,150,044.70 - Step 5: Solve for x
x = 100,031,150,044.70/356,364.36 - Step 6: Final answer
x = 280,699.09
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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.