Finding the Fourth Proportional to 890,860.80, 1,336,291.20 and 251,163.30
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Solution
The fourth proportional to 890,860.80, 1,336,291.20 and 251,163.30 is: 376,744.95
Step by Step Solution
- Step 1: Write the proportion equation
890,860.80 : 1,336,291.20 = 251,163.30 : x - Step 2: Convert to fraction form
890,860.80/1,336,291.20 = 251,163.30/x - Step 3: Cross multiply
890,860.80x = 1,336,291.20 × 251,163.30 - Step 4: Simplify right side
890,860.80x = 335,627,307,552.96 - Step 5: Solve for x
x = 335,627,307,552.96/890,860.80 - Step 6: Final answer
x = 376,744.95
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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.