Finding the Fourth Proportional to 490,825.36, 677,329.99 and 273,032.96
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Solution
The fourth proportional to 490,825.36, 677,329.99 and 273,032.96 is: 376,780.47
Step by Step Solution
- Step 1: Write the proportion equation
490,825.36 : 677,329.99 = 273,032.96 : x - Step 2: Convert to fraction form
490,825.36/677,329.99 = 273,032.96/x - Step 3: Cross multiply
490,825.36x = 677,329.99 × 273,032.96 - Step 4: Simplify right side
490,825.36x = 184,933,412,066.47 - Step 5: Solve for x
x = 184,933,412,066.47/490,825.36 - Step 6: Final answer
x = 376,780.47
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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.