Finding the Fourth Proportional to 401,142.36, 553,580.79 and 219,850.38
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Solution
The fourth proportional to 401,142.36, 553,580.79 and 219,850.38 is: 303,395.90
Step by Step Solution
- Step 1: Write the proportion equation
401,142.36 : 553,580.79 = 219,850.38 : x - Step 2: Convert to fraction form
401,142.36/553,580.79 = 219,850.38/x - Step 3: Cross multiply
401,142.36x = 553,580.79 × 219,850.38 - Step 4: Simplify right side
401,142.36x = 121,704,947,042.20 - Step 5: Solve for x
x = 121,704,947,042.20/401,142.36 - Step 6: Final answer
x = 303,395.90
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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.