Finding the Fourth Proportional to 403,804.57, 557,254.04 and 222,522.99
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Solution
The fourth proportional to 403,804.57, 557,254.04 and 222,522.99 is: 307,083.78
Step by Step Solution
- Step 1: Write the proportion equation
403,804.57 : 557,254.04 = 222,522.99 : x - Step 2: Convert to fraction form
403,804.57/557,254.04 = 222,522.99/x - Step 3: Cross multiply
403,804.57x = 557,254.04 × 222,522.99 - Step 4: Simplify right side
403,804.57x = 124,001,835,170.38 - Step 5: Solve for x
x = 124,001,835,170.38/403,804.57 - Step 6: Final answer
x = 307,083.78
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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.