Finding the Fourth Proportional to 705,203.24, 1,057,838.88 and 231,878.12
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Solution
The fourth proportional to 705,203.24, 1,057,838.88 and 231,878.12 is: 347,828.37
Step by Step Solution
- Step 1: Write the proportion equation
705,203.24 : 1,057,838.88 = 231,878.12 : x - Step 2: Convert to fraction form
705,203.24/1,057,838.88 = 231,878.12/x - Step 3: Cross multiply
705,203.24x = 1,057,838.88 × 231,878.12 - Step 4: Simplify right side
705,203.24x = 245,289,690,757.31 - Step 5: Solve for x
x = 245,289,690,757.31/705,203.24 - Step 6: Final answer
x = 347,828.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.