Finding the Fourth Proportional to 403,596.07, 556,942.02 and 222,304.09
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Solution
The fourth proportional to 403,596.07, 556,942.02 and 222,304.09 is: 306,768.32
Step by Step Solution
- Step 1: Write the proportion equation
403,596.07 : 556,942.02 = 222,304.09 : x - Step 2: Convert to fraction form
403,596.07/556,942.02 = 222,304.09/x - Step 3: Cross multiply
403,596.07x = 556,942.02 × 222,304.09 - Step 4: Simplify right side
403,596.07x = 123,810,488,938.86 - Step 5: Solve for x
x = 123,810,488,938.86/403,596.07 - Step 6: Final answer
x = 306,768.32
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1.5x scale
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.