Finding the Fourth Proportional to 449,731.20, 675,053.28 and 225,252.48
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Solution
The fourth proportional to 449,731.20, 675,053.28 and 225,252.48 is: 338,107.35
Step by Step Solution
- Step 1: Write the proportion equation
449,731.20 : 675,053.28 = 225,252.48 : x - Step 2: Convert to fraction form
449,731.20/675,053.28 = 225,252.48/x - Step 3: Cross multiply
449,731.20x = 675,053.28 × 225,252.48 - Step 4: Simplify right side
449,731.20x = 152,057,425,452.13 - Step 5: Solve for x
x = 152,057,425,452.13/449,731.20 - Step 6: Final answer
x = 338,107.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.