Finding the Fourth Proportional to 451,276.62, 622,769.74 and 247,313.96
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Solution
The fourth proportional to 451,276.62, 622,769.74 and 247,313.96 is: 341,297.65
Step by Step Solution
- Step 1: Write the proportion equation
451,276.62 : 622,769.74 = 247,313.96 : x - Step 2: Convert to fraction form
451,276.62/622,769.74 = 247,313.96/x - Step 3: Cross multiply
451,276.62x = 622,769.74 × 247,313.96 - Step 4: Simplify right side
451,276.62x = 154,019,650,567.57 - Step 5: Solve for x
x = 154,019,650,567.57/451,276.62 - Step 6: Final answer
x = 341,297.65
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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.