Finding the Fourth Proportional to 451,304.22, 622,804.71 and 247,350.75
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Solution
The fourth proportional to 451,304.22, 622,804.71 and 247,350.75 is: 341,346.71
Step by Step Solution
- Step 1: Write the proportion equation
451,304.22 : 622,804.71 = 247,350.75 : x - Step 2: Convert to fraction form
451,304.22/622,804.71 = 247,350.75/x - Step 3: Cross multiply
451,304.22x = 622,804.71 × 247,350.75 - Step 4: Simplify right side
451,304.22x = 154,051,212,122.03 - Step 5: Solve for x
x = 154,051,212,122.03/451,304.22 - Step 6: Final answer
x = 341,346.71
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1.5x scale
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.