Finding the Fourth Proportional to 451,207.14, 622,432.94 and 305,963.81
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Solution
The fourth proportional to 451,207.14, 622,432.94 and 305,963.81 is: 422,072.11
Step by Step Solution
- Step 1: Write the proportion equation
451,207.14 : 622,432.94 = 305,963.81 : x - Step 2: Convert to fraction form
451,207.14/622,432.94 = 305,963.81/x - Step 3: Cross multiply
451,207.14x = 622,432.94 × 305,963.81 - Step 4: Simplify right side
451,207.14x = 190,441,949,149.92 - Step 5: Solve for x
x = 190,441,949,149.92/451,207.14 - Step 6: Final answer
x = 422,072.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.