Finding the Fourth Proportional to 403,996.66, 557,515.26 and 222,711.68
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Solution
The fourth proportional to 403,996.66, 557,515.26 and 222,711.68 is: 307,342.05
Step by Step Solution
- Step 1: Write the proportion equation
403,996.66 : 557,515.26 = 222,711.68 : x - Step 2: Convert to fraction form
403,996.66/557,515.26 = 222,711.68/x - Step 3: Cross multiply
403,996.66x = 557,515.26 × 222,711.68 - Step 4: Simplify right side
403,996.66x = 124,165,160,180.24 - Step 5: Solve for x
x = 124,165,160,180.24/403,996.66 - Step 6: Final answer
x = 307,342.05
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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.