Finding the Fourth Proportional to 244,028.20, 366,042.30 and 86,261.80
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Solution
The fourth proportional to 244,028.20, 366,042.30 and 86,261.80 is: 129,392.70
Step by Step Solution
- Step 1: Write the proportion equation
244,028.20 : 366,042.30 = 86,261.80 : x - Step 2: Convert to fraction form
244,028.20/366,042.30 = 86,261.80/x - Step 3: Cross multiply
244,028.20x = 366,042.30 × 86,261.80 - Step 4: Simplify right side
244,028.20x = 31,575,467,674.14 - Step 5: Solve for x
x = 31,575,467,674.14/244,028.20 - Step 6: Final answer
x = 129,392.70
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1.5x scale
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.