Finding the Fourth Proportional to 440,644.07, 660,964.75 and 125,101.19
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Solution
The fourth proportional to 440,644.07, 660,964.75 and 125,101.19 is: 187,651.40
Step by Step Solution
- Step 1: Write the proportion equation
440,644.07 : 660,964.75 = 125,101.19 : x - Step 2: Convert to fraction form
440,644.07/660,964.75 = 125,101.19/x - Step 3: Cross multiply
440,644.07x = 660,964.75 × 125,101.19 - Step 4: Simplify right side
440,644.07x = 82,687,476,773.05 - Step 5: Solve for x
x = 82,687,476,773.05/440,644.07 - Step 6: Final answer
x = 187,651.40
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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.