Finding the Fourth Proportional to 376,887.21, 520,107.60 and 204,805.14
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Solution
The fourth proportional to 376,887.21, 520,107.60 and 204,805.14 is: 282,632.86
Step by Step Solution
- Step 1: Write the proportion equation
376,887.21 : 520,107.60 = 204,805.14 : x - Step 2: Convert to fraction form
376,887.21/520,107.60 = 204,805.14/x - Step 3: Cross multiply
376,887.21x = 520,107.60 × 204,805.14 - Step 4: Simplify right side
376,887.21x = 106,520,709,833.06 - Step 5: Solve for x
x = 106,520,709,833.06/376,887.21 - Step 6: Final answer
x = 282,632.86
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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.