Finding the Fourth Proportional to 440,126.23, 660,046.85 and 140,536.62
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Solution
The fourth proportional to 440,126.23, 660,046.85 and 140,536.62 is: 210,759.43
Step by Step Solution
- Step 1: Write the proportion equation
440,126.23 : 660,046.85 = 140,536.62 : x - Step 2: Convert to fraction form
440,126.23/660,046.85 = 140,536.62/x - Step 3: Cross multiply
440,126.23x = 660,046.85 × 140,536.62 - Step 4: Simplify right side
440,126.23x = 92,760,753,560.24 - Step 5: Solve for x
x = 92,760,753,560.24/440,126.23 - Step 6: Final answer
x = 210,759.43
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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.