Finding the Fourth Proportional to 403,616.37, 556,987.96 and 222,324.09
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Solution
The fourth proportional to 403,616.37, 556,987.96 and 222,324.09 is: 306,805.80
Step by Step Solution
- Step 1: Write the proportion equation
403,616.37 : 556,987.96 = 222,324.09 : x - Step 2: Convert to fraction form
403,616.37/556,987.96 = 222,324.09/x - Step 3: Cross multiply
403,616.37x = 556,987.96 × 222,324.09 - Step 4: Simplify right side
403,616.37x = 123,831,841,347.96 - Step 5: Solve for x
x = 123,831,841,347.96/403,616.37 - Step 6: Final answer
x = 306,805.80
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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.