Finding the Fourth Proportional to 380,847.44, 571,351.26 and 144,184.88
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Solution
The fourth proportional to 380,847.44, 571,351.26 and 144,184.88 is: 216,307.65
Step by Step Solution
- Step 1: Write the proportion equation
380,847.44 : 571,351.26 = 144,184.88 : x - Step 2: Convert to fraction form
380,847.44/571,351.26 = 144,184.88/x - Step 3: Cross multiply
380,847.44x = 571,351.26 × 144,184.88 - Step 4: Simplify right side
380,847.44x = 82,380,212,860.95 - Step 5: Solve for x
x = 82,380,212,860.95/380,847.44 - Step 6: Final answer
x = 216,307.65
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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.