Finding the Fourth Proportional to 403,961.69, 557,466.97 and 222,676.63
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Solution
The fourth proportional to 403,961.69, 557,466.97 and 222,676.63 is: 307,293.66
Step by Step Solution
- Step 1: Write the proportion equation
403,961.69 : 557,466.97 = 222,676.63 : x - Step 2: Convert to fraction form
403,961.69/557,466.97 = 222,676.63/x - Step 3: Cross multiply
403,961.69x = 557,466.97 × 222,676.63 - Step 4: Simplify right side
403,961.69x = 124,134,866,215.91 - Step 5: Solve for x
x = 124,134,866,215.91/403,961.69 - Step 6: Final answer
x = 307,293.66
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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.