Finding the Fourth Proportional to 490,791.30, 677,332.89 and 273,040.99
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Solution
The fourth proportional to 490,791.30, 677,332.89 and 273,040.99 is: 376,819.32
Step by Step Solution
- Step 1: Write the proportion equation
490,791.30 : 677,332.89 = 273,040.99 : x - Step 2: Convert to fraction form
490,791.30/677,332.89 = 273,040.99/x - Step 3: Cross multiply
490,791.30x = 677,332.89 × 273,040.99 - Step 4: Simplify right side
490,791.30x = 184,939,642,845.16 - Step 5: Solve for x
x = 184,939,642,845.16/490,791.30 - Step 6: Final answer
x = 376,819.32
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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.