Finding the Fourth Proportional to 413,586.24, 620,382.64 and 226,495.68
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Solution
The fourth proportional to 413,586.24, 620,382.64 and 226,495.68 is: 339,745.32
Step by Step Solution
- Step 1: Write the proportion equation
413,586.24 : 620,382.64 = 226,495.68 : x - Step 2: Convert to fraction form
413,586.24/620,382.64 = 226,495.68/x - Step 3: Cross multiply
413,586.24x = 620,382.64 × 226,495.68 - Step 4: Simplify right side
413,586.24x = 140,513,987,907.00 - Step 5: Solve for x
x = 140,513,987,907.00/413,586.24 - Step 6: Final answer
x = 339,745.32
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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.