Finding the Fourth Proportional to 420,559, 580,424.88 and 277,616.68
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Solution
The fourth proportional to 420,559, 580,424.88 and 277,616.68 is: 383,146.31
Step by Step Solution
- Step 1: Write the proportion equation
420,559 : 580,424.88 = 277,616.68 : x - Step 2: Convert to fraction form
420,559/580,424.88 = 277,616.68/x - Step 3: Cross multiply
420,559x = 580,424.88 × 277,616.68 - Step 4: Simplify right side
420,559x = 161,135,628,175.00 - Step 5: Solve for x
x = 161,135,628,175.00/420,559 - Step 6: Final answer
x = 383,146.31
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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.