Finding the Fourth Proportional to 270,604.30, 405,964.05 and 83,634.70
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Solution
The fourth proportional to 270,604.30, 405,964.05 and 83,634.70 is: 125,469.85
Step by Step Solution
- Step 1: Write the proportion equation
270,604.30 : 405,964.05 = 83,634.70 : x - Step 2: Convert to fraction form
270,604.30/405,964.05 = 83,634.70/x - Step 3: Cross multiply
270,604.30x = 405,964.05 × 83,634.70 - Step 4: Simplify right side
270,604.30x = 33,952,681,532.54 - Step 5: Solve for x
x = 33,952,681,532.54/270,604.30 - Step 6: Final answer
x = 125,469.85
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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.