Finding the Fourth Proportional to 403,937.94, 557,408.97 and 222,639.87
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Solution
The fourth proportional to 403,937.94, 557,408.97 and 222,639.87 is: 307,229.03
Step by Step Solution
- Step 1: Write the proportion equation
403,937.94 : 557,408.97 = 222,639.87 : x - Step 2: Convert to fraction form
403,937.94/557,408.97 = 222,639.87/x - Step 3: Cross multiply
403,937.94x = 557,408.97 × 222,639.87 - Step 4: Simplify right side
403,937.94x = 124,101,460,617.63 - Step 5: Solve for x
x = 124,101,460,617.63/403,937.94 - Step 6: Final answer
x = 307,229.03
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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.