Finding the Fourth Proportional to 451,028.88, 622,412.82 and 247,078.08
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Solution
The fourth proportional to 451,028.88, 622,412.82 and 247,078.08 is: 340,963.90
Step by Step Solution
- Step 1: Write the proportion equation
451,028.88 : 622,412.82 = 247,078.08 : x - Step 2: Convert to fraction form
451,028.88/622,412.82 = 247,078.08/x - Step 3: Cross multiply
451,028.88x = 622,412.82 × 247,078.08 - Step 4: Simplify right side
451,028.88x = 153,784,564,532.99 - Step 5: Solve for x
x = 153,784,564,532.99/451,028.88 - Step 6: Final answer
x = 340,963.90
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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.