Finding the Fourth Proportional to 417,845.29, 576,626.47 and 226,858.70
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Solution
The fourth proportional to 417,845.29, 576,626.47 and 226,858.70 is: 313,064.99
Step by Step Solution
- Step 1: Write the proportion equation
417,845.29 : 576,626.47 = 226,858.70 : x - Step 2: Convert to fraction form
417,845.29/576,626.47 = 226,858.70/x - Step 3: Cross multiply
417,845.29x = 576,626.47 × 226,858.70 - Step 4: Simplify right side
417,845.29x = 130,812,731,369.79 - Step 5: Solve for x
x = 130,812,731,369.79/417,845.29 - Step 6: Final answer
x = 313,064.99
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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.