Finding the Fourth Proportional to 403,699.59, 557,102.84 and 222,407.33
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Solution
The fourth proportional to 403,699.59, 557,102.84 and 222,407.33 is: 306,920.68
Step by Step Solution
- Step 1: Write the proportion equation
403,699.59 : 557,102.84 = 222,407.33 : x - Step 2: Convert to fraction form
403,699.59/557,102.84 = 222,407.33/x - Step 3: Cross multiply
403,699.59x = 557,102.84 × 222,407.33 - Step 4: Simplify right side
403,699.59x = 123,903,751,282.27 - Step 5: Solve for x
x = 123,903,751,282.27/403,699.59 - Step 6: Final answer
x = 306,920.68
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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.