Finding the Fourth Proportional to 417,836.51, 626,747.63 and 133,524.99
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Solution
The fourth proportional to 417,836.51, 626,747.63 and 133,524.99 is: 200,285.20
Step by Step Solution
- Step 1: Write the proportion equation
417,836.51 : 626,747.63 = 133,524.99 : x - Step 2: Convert to fraction form
417,836.51/626,747.63 = 133,524.99/x - Step 3: Cross multiply
417,836.51x = 626,747.63 × 133,524.99 - Step 4: Simplify right side
417,836.51x = 83,686,470,360.65 - Step 5: Solve for x
x = 83,686,470,360.65/417,836.51 - Step 6: Final answer
x = 200,285.20
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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.