Finding the Fourth Proportional to 227,443.49, 313,866.99 and 125,469.03
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Solution
The fourth proportional to 227,443.49, 313,866.99 and 125,469.03 is: 173,144.49
Step by Step Solution
- Step 1: Write the proportion equation
227,443.49 : 313,866.99 = 125,469.03 : x - Step 2: Convert to fraction form
227,443.49/313,866.99 = 125,469.03/x - Step 3: Cross multiply
227,443.49x = 313,866.99 × 125,469.03 - Step 4: Simplify right side
227,443.49x = 39,380,586,784.32 - Step 5: Solve for x
x = 39,380,586,784.32/227,443.49 - Step 6: Final answer
x = 173,144.49
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1.5x scale
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.