Finding the Fourth Proportional to 403,844.36, 557,309.06 and 222,562.94
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Solution
The fourth proportional to 403,844.36, 557,309.06 and 222,562.94 is: 307,138.98
Step by Step Solution
- Step 1: Write the proportion equation
403,844.36 : 557,309.06 = 222,562.94 : x - Step 2: Convert to fraction form
403,844.36/557,309.06 = 222,562.94/x - Step 3: Cross multiply
403,844.36x = 557,309.06 × 222,562.94 - Step 4: Simplify right side
403,844.36x = 124,036,342,882.24 - Step 5: Solve for x
x = 124,036,342,882.24/403,844.36 - Step 6: Final answer
x = 307,138.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.