Finding the Fourth Proportional to 403,827.63, 557,306.48 and 222,539.07
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Solution
The fourth proportional to 403,827.63, 557,306.48 and 222,539.07 is: 307,117.33
Step by Step Solution
- Step 1: Write the proportion equation
403,827.63 : 557,306.48 = 222,539.07 : x - Step 2: Convert to fraction form
403,827.63/557,306.48 = 222,539.07/x - Step 3: Cross multiply
403,827.63x = 557,306.48 × 222,539.07 - Step 4: Simplify right side
403,827.63x = 124,022,464,651.48 - Step 5: Solve for x
x = 124,022,464,651.48/403,827.63 - Step 6: Final answer
x = 307,117.33
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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.