Finding the Fourth Proportional to 227,528.19, 313,986.38 and 125,554.46
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Solution
The fourth proportional to 227,528.19, 313,986.38 and 125,554.46 is: 173,263.75
Step by Step Solution
- Step 1: Write the proportion equation
227,528.19 : 313,986.38 = 125,554.46 : x - Step 2: Convert to fraction form
227,528.19/313,986.38 = 125,554.46/x - Step 3: Cross multiply
227,528.19x = 313,986.38 × 125,554.46 - Step 4: Simplify right side
227,528.19x = 39,422,388,190.55 - Step 5: Solve for x
x = 39,422,388,190.55/227,528.19 - Step 6: Final answer
x = 173,263.75
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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.