Finding the Fourth Proportional to 335,660.70, 462,889.80 and 225,528.41
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Solution
The fourth proportional to 335,660.70, 462,889.80 and 225,528.41 is: 311,012.88
Step by Step Solution
- Step 1: Write the proportion equation
335,660.70 : 462,889.80 = 225,528.41 : x - Step 2: Convert to fraction form
335,660.70/462,889.80 = 225,528.41/x - Step 3: Cross multiply
335,660.70x = 462,889.80 × 225,528.41 - Step 4: Simplify right side
335,660.70x = 104,394,800,599.22 - Step 5: Solve for x
x = 104,394,800,599.22/335,660.70 - Step 6: Final answer
x = 311,012.88
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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.