Finding the Fourth Proportional to 403,346.97, 556,608.65 and 222,057.09
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Solution
The fourth proportional to 403,346.97, 556,608.65 and 222,057.09 is: 306,433.18
Step by Step Solution
- Step 1: Write the proportion equation
403,346.97 : 556,608.65 = 222,057.09 : x - Step 2: Convert to fraction form
403,346.97/556,608.65 = 222,057.09/x - Step 3: Cross multiply
403,346.97x = 556,608.65 × 222,057.09 - Step 4: Simplify right side
403,346.97x = 123,598,895,977.54 - Step 5: Solve for x
x = 123,598,895,977.54/403,346.97 - Step 6: Final answer
x = 306,433.18
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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.