Finding the Fourth Proportional to 403,447.56, 556,735.57 and 222,125.05
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Solution
The fourth proportional to 403,447.56, 556,735.57 and 222,125.05 is: 306,520.42
Step by Step Solution
- Step 1: Write the proportion equation
403,447.56 : 556,735.57 = 222,125.05 : x - Step 2: Convert to fraction form
403,447.56/556,735.57 = 222,125.05/x - Step 3: Cross multiply
403,447.56x = 556,735.57 × 222,125.05 - Step 4: Simplify right side
403,447.56x = 123,664,916,323.03 - Step 5: Solve for x
x = 123,664,916,323.03/403,447.56 - Step 6: Final answer
x = 306,520.42
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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.