Finding the Fourth Proportional to 354,447.24, 488,860.73 and 227,134.68
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Solution
The fourth proportional to 354,447.24, 488,860.73 and 227,134.68 is: 313,268.69
Step by Step Solution
- Step 1: Write the proportion equation
354,447.24 : 488,860.73 = 227,134.68 : x - Step 2: Convert to fraction form
354,447.24/488,860.73 = 227,134.68/x - Step 3: Cross multiply
354,447.24x = 488,860.73 × 227,134.68 - Step 4: Simplify right side
354,447.24x = 111,037,221,893.14 - Step 5: Solve for x
x = 111,037,221,893.14/354,447.24 - Step 6: Final answer
x = 313,268.69
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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.