Finding the Fourth Proportional to 403,826.56, 557,284.36 and 222,544.96
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Solution
The fourth proportional to 403,826.56, 557,284.36 and 222,544.96 is: 307,114.09
Step by Step Solution
- Step 1: Write the proportion equation
403,826.56 : 557,284.36 = 222,544.96 : x - Step 2: Convert to fraction form
403,826.56/557,284.36 = 222,544.96/x - Step 3: Cross multiply
403,826.56x = 557,284.36 × 222,544.96 - Step 4: Simplify right side
403,826.56x = 124,020,825,604.83 - Step 5: Solve for x
x = 124,020,825,604.83/403,826.56 - Step 6: Final answer
x = 307,114.09
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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.