Finding the Fourth Proportional to 403,347.97, 556,610.02 and 222,058.09
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Solution
The fourth proportional to 403,347.97, 556,610.02 and 222,058.09 is: 306,434.56
Step by Step Solution
- Step 1: Write the proportion equation
403,347.97 : 556,610.02 = 222,058.09 : x - Step 2: Convert to fraction form
403,347.97/556,610.02 = 222,058.09/x - Step 3: Cross multiply
403,347.97x = 556,610.02 × 222,058.09 - Step 4: Simplify right side
403,347.97x = 123,599,757,916.06 - Step 5: Solve for x
x = 123,599,757,916.06/403,347.97 - Step 6: Final answer
x = 306,434.56
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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.