Finding the Fourth Proportional to 450,447.94, 622,128.36 and 306,958.87
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Solution
The fourth proportional to 450,447.94, 622,128.36 and 306,958.87 is: 423,950.92
Step by Step Solution
- Step 1: Write the proportion equation
450,447.94 : 622,128.36 = 306,958.87 : x - Step 2: Convert to fraction form
450,447.94/622,128.36 = 306,958.87/x - Step 3: Cross multiply
450,447.94x = 622,128.36 × 306,958.87 - Step 4: Simplify right side
450,447.94x = 190,967,818,380.55 - Step 5: Solve for x
x = 190,967,818,380.55/450,447.94 - Step 6: Final answer
x = 423,950.92
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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.