Finding the Fourth Proportional to 403,446.57, 556,734.18 and 222,124.05
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Solution
The fourth proportional to 403,446.57, 556,734.18 and 222,124.05 is: 306,519.03
Step by Step Solution
- Step 1: Write the proportion equation
403,446.57 : 556,734.18 = 222,124.05 : x - Step 2: Convert to fraction form
403,446.57/556,734.18 = 222,124.05/x - Step 3: Cross multiply
403,446.57x = 556,734.18 × 222,124.05 - Step 4: Simplify right side
403,446.57x = 123,664,050,835.03 - Step 5: Solve for x
x = 123,664,050,835.03/403,446.57 - Step 6: Final answer
x = 306,519.03
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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.