Finding the Fourth Proportional to 383,043.27, 573,165.21 and 225,345.99
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Solution
The fourth proportional to 383,043.27, 573,165.21 and 225,345.99 is: 337,195.54
Step by Step Solution
- Step 1: Write the proportion equation
383,043.27 : 573,165.21 = 225,345.99 : x - Step 2: Convert to fraction form
383,043.27/573,165.21 = 225,345.99/x - Step 3: Cross multiply
383,043.27x = 573,165.21 × 225,345.99 - Step 4: Simplify right side
383,043.27x = 129,160,481,681.01 - Step 5: Solve for x
x = 129,160,481,681.01/383,043.27 - Step 6: Final answer
x = 337,195.54
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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.