Finding the Fourth Proportional to 397,467.76, 548,488.92 and 227,717.68
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Solution
The fourth proportional to 397,467.76, 548,488.92 and 227,717.68 is: 314,240.89
Step by Step Solution
- Step 1: Write the proportion equation
397,467.76 : 548,488.92 = 227,717.68 : x - Step 2: Convert to fraction form
397,467.76/548,488.92 = 227,717.68/x - Step 3: Cross multiply
397,467.76x = 548,488.92 × 227,717.68 - Step 4: Simplify right side
397,467.76x = 124,900,624,368.11 - Step 5: Solve for x
x = 124,900,624,368.11/397,467.76 - Step 6: Final answer
x = 314,240.89
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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.